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Finding the Fourth Proportional to 249,715,287.70, 374,572,931.55 and 249,715,287.70

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Solution

The fourth proportional to 249,715,287.70, 374,572,931.55 and 249,715,287.70 is: 374,572,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,715,287.70 : 374,572,931.55 = 249,715,287.70 : x
  2. Step 2: Convert to fraction form
    249,715,287.70/374,572,931.55 = 249,715,287.70/x
  3. Step 3: Cross multiply
    249,715,287.70x = 374,572,931.55 × 249,715,287.70
  4. Step 4: Simplify right side
    249,715,287.70x = 93,536,587,366,640,656
  5. Step 5: Solve for x
    x = 93,536,587,366,640,656/249,715,287.70
  6. Step 6: Final answer
    x = 374,572,931.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.