Home / 2,447,427,948.85-3,377,344,957.72-1,390,152,629.53

Finding the Fourth Proportional to 2,447,427,948.85, 3,377,344,957.72 and 1,390,152,629.53

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Solution

The fourth proportional to 2,447,427,948.85, 3,377,344,957.72 and 1,390,152,629.53 is: 1,918,350,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447,427,948.85 : 3,377,344,957.72 = 1,390,152,629.53 : x
  2. Step 2: Convert to fraction form
    2,447,427,948.85/3,377,344,957.72 = 1,390,152,629.53/x
  3. Step 3: Cross multiply
    2,447,427,948.85x = 3,377,344,957.72 × 1,390,152,629.53
  4. Step 4: Simplify right side
    2,447,427,948.85x = 4,695,024,973,804,344,320
  5. Step 5: Solve for x
    x = 4,695,024,973,804,344,320/2,447,427,948.85
  6. Step 6: Final answer
    x = 1,918,350,640.72

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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.