Home / 1,140,351,070.46-1,573,684,490.67-618,830,302.46

Finding the Fourth Proportional to 1,140,351,070.46, 1,573,684,490.67 and 618,830,302.46

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Solution

The fourth proportional to 1,140,351,070.46, 1,573,684,490.67 and 618,830,302.46 is: 853,985,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,351,070.46 : 1,573,684,490.67 = 618,830,302.46 : x
  2. Step 2: Convert to fraction form
    1,140,351,070.46/1,573,684,490.67 = 618,830,302.46/x
  3. Step 3: Cross multiply
    1,140,351,070.46x = 1,573,684,490.67 × 618,830,302.46
  4. Step 4: Simplify right side
    1,140,351,070.46x = 973,843,649,337,927,296
  5. Step 5: Solve for x
    x = 973,843,649,337,927,296/1,140,351,070.46
  6. Step 6: Final answer
    x = 853,985,824.69

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Double scale
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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.