Home / 1,001,425,898.84-1,381,785,011.31-577,885,046.32

Finding the Fourth Proportional to 1,001,425,898.84, 1,381,785,011.31 and 577,885,046.32

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Solution

The fourth proportional to 1,001,425,898.84, 1,381,785,011.31 and 577,885,046.32 is: 797,375,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,425,898.84 : 1,381,785,011.31 = 577,885,046.32 : x
  2. Step 2: Convert to fraction form
    1,001,425,898.84/1,381,785,011.31 = 577,885,046.32/x
  3. Step 3: Cross multiply
    1,001,425,898.84x = 1,381,785,011.31 × 577,885,046.32
  4. Step 4: Simplify right side
    1,001,425,898.84x = 798,512,895,269,084,288
  5. Step 5: Solve for x
    x = 798,512,895,269,084,288/1,001,425,898.84
  6. Step 6: Final answer
    x = 797,375,917.88

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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.