Home / 1,140,351,071.71-1,573,684,492.40-618,830,303.71

Finding the Fourth Proportional to 1,140,351,071.71, 1,573,684,492.40 and 618,830,303.71

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Solution

The fourth proportional to 1,140,351,071.71, 1,573,684,492.40 and 618,830,303.71 is: 853,985,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,351,071.71 : 1,573,684,492.40 = 618,830,303.71 : x
  2. Step 2: Convert to fraction form
    1,140,351,071.71/1,573,684,492.40 = 618,830,303.71/x
  3. Step 3: Cross multiply
    1,140,351,071.71x = 1,573,684,492.40 × 618,830,303.71
  4. Step 4: Simplify right side
    1,140,351,071.71x = 973,843,652,375,609,344
  5. Step 5: Solve for x
    x = 973,843,652,375,609,344/1,140,351,071.71
  6. Step 6: Final answer
    x = 853,985,826.41

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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.