Home / 1,140,351,038.76-1,573,684,445.88-618,830,270.76

Finding the Fourth Proportional to 1,140,351,038.76, 1,573,684,445.88 and 618,830,270.76

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Solution

The fourth proportional to 1,140,351,038.76, 1,573,684,445.88 and 618,830,270.76 is: 853,985,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,351,038.76 : 1,573,684,445.88 = 618,830,270.76 : x
  2. Step 2: Convert to fraction form
    1,140,351,038.76/1,573,684,445.88 = 618,830,270.76/x
  3. Step 3: Cross multiply
    1,140,351,038.76x = 1,573,684,445.88 × 618,830,270.76
  4. Step 4: Simplify right side
    1,140,351,038.76x = 973,843,571,734,721,024
  5. Step 5: Solve for x
    x = 973,843,571,734,721,024/1,140,351,038.76
  6. Step 6: Final answer
    x = 853,985,780.37

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,140,351,039.76, 1,573,684,447.26 and 618,830,271.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.