Home / 402,182,674,856.72-603,335,999,565.78-137,125,073,102.52

Finding the Fourth Proportional to 402,182,674,856.72, 603,335,999,565.78 and 137,125,073,102.52

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Solution

The fourth proportional to 402,182,674,856.72, 603,335,999,565.78 and 137,125,073,102.52 is: 205,708,744,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,182,674,856.72 : 603,335,999,565.78 = 137,125,073,102.52 : x
  2. Step 2: Convert to fraction form
    402,182,674,856.72/603,335,999,565.78 = 137,125,073,102.52/x
  3. Step 3: Cross multiply
    402,182,674,856.72x = 603,335,999,565.78 × 137,125,073,102.52
  4. Step 4: Simplify right side
    402,182,674,856.72x = 82,732,493,045,839,557,558,272
  5. Step 5: Solve for x
    x = 82,732,493,045,839,557,558,272/402,182,674,856.72
  6. Step 6: Final answer
    x = 205,708,744,354.33

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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.