Home / 522,406,165.17-720,898,859.56-284,252,332.89

Finding the Fourth Proportional to 522,406,165.17, 720,898,859.56 and 284,252,332.89

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Solution

The fourth proportional to 522,406,165.17, 720,898,859.56 and 284,252,332.89 is: 392,256,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,406,165.17 : 720,898,859.56 = 284,252,332.89 : x
  2. Step 2: Convert to fraction form
    522,406,165.17/720,898,859.56 = 284,252,332.89/x
  3. Step 3: Cross multiply
    522,406,165.17x = 720,898,859.56 × 284,252,332.89
  4. Step 4: Simplify right side
    522,406,165.17x = 204,917,182,607,670,464
  5. Step 5: Solve for x
    x = 204,917,182,607,670,464/522,406,165.17
  6. Step 6: Final answer
    x = 392,256,440.05

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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.