Home / 472,392,003.70-708,588,005.55-264,917,437.30

Finding the Fourth Proportional to 472,392,003.70, 708,588,005.55 and 264,917,437.30

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Solution

The fourth proportional to 472,392,003.70, 708,588,005.55 and 264,917,437.30 is: 397,376,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,003.70 : 708,588,005.55 = 264,917,437.30 : x
  2. Step 2: Convert to fraction form
    472,392,003.70/708,588,005.55 = 264,917,437.30/x
  3. Step 3: Cross multiply
    472,392,003.70x = 708,588,005.55 × 264,917,437.30
  4. Step 4: Simplify right side
    472,392,003.70x = 187,717,318,531,824,160
  5. Step 5: Solve for x
    x = 187,717,318,531,824,160/472,392,003.70
  6. Step 6: Final answer
    x = 397,376,155.95

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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.