Home / 500,074,231.95-750,139,691.45-155,076,906.51

Finding the Fourth Proportional to 500,074,231.95, 750,139,691.45 and 155,076,906.51

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Solution

The fourth proportional to 500,074,231.95, 750,139,691.45 and 155,076,906.51 is: 232,624,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,074,231.95 : 750,139,691.45 = 155,076,906.51 : x
  2. Step 2: Convert to fraction form
    500,074,231.95/750,139,691.45 = 155,076,906.51/x
  3. Step 3: Cross multiply
    500,074,231.95x = 750,139,691.45 × 155,076,906.51
  4. Step 4: Simplify right side
    500,074,231.95x = 116,329,342,799,656,512
  5. Step 5: Solve for x
    x = 116,329,342,799,656,512/500,074,231.95
  6. Step 6: Final answer
    x = 232,624,149.31

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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.