Home / 284,759,747.91-392,983,710.20-159,304,459.86

Finding the Fourth Proportional to 284,759,747.91, 392,983,710.20 and 159,304,459.86

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Solution

The fourth proportional to 284,759,747.91, 392,983,710.20 and 159,304,459.86 is: 219,848,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,759,747.91 : 392,983,710.20 = 159,304,459.86 : x
  2. Step 2: Convert to fraction form
    284,759,747.91/392,983,710.20 = 159,304,459.86/x
  3. Step 3: Cross multiply
    284,759,747.91x = 392,983,710.20 × 159,304,459.86
  4. Step 4: Simplify right side
    284,759,747.91x = 62,604,057,686,393,256
  5. Step 5: Solve for x
    x = 62,604,057,686,393,256/284,759,747.91
  6. Step 6: Final answer
    x = 219,848,690.50

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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.