Home / 707,326,721.70-1,060,990,082.55-319,906,232.70

Finding the Fourth Proportional to 707,326,721.70, 1,060,990,082.55 and 319,906,232.70

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Solution

The fourth proportional to 707,326,721.70, 1,060,990,082.55 and 319,906,232.70 is: 479,859,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,326,721.70 : 1,060,990,082.55 = 319,906,232.70 : x
  2. Step 2: Convert to fraction form
    707,326,721.70/1,060,990,082.55 = 319,906,232.70/x
  3. Step 3: Cross multiply
    707,326,721.70x = 1,060,990,082.55 × 319,906,232.70
  4. Step 4: Simplify right side
    707,326,721.70x = 339,417,340,240,632,512
  5. Step 5: Solve for x
    x = 339,417,340,240,632,512/707,326,721.70
  6. Step 6: Final answer
    x = 479,859,349.05

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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.