Home / 508,402,890.60-762,604,335.90-144,850,007.40

Finding the Fourth Proportional to 508,402,890.60, 762,604,335.90 and 144,850,007.40

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Solution

The fourth proportional to 508,402,890.60, 762,604,335.90 and 144,850,007.40 is: 217,275,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,402,890.60 : 762,604,335.90 = 144,850,007.40 : x
  2. Step 2: Convert to fraction form
    508,402,890.60/762,604,335.90 = 144,850,007.40/x
  3. Step 3: Cross multiply
    508,402,890.60x = 762,604,335.90 × 144,850,007.40
  4. Step 4: Simplify right side
    508,402,890.60x = 110,463,243,698,387,088
  5. Step 5: Solve for x
    x = 110,463,243,698,387,088/508,402,890.60
  6. Step 6: Final answer
    x = 217,275,011.10

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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.