Home / 479,646,590.97-719,538,518.05-147,681,688.64

Finding the Fourth Proportional to 479,646,590.97, 719,538,518.05 and 147,681,688.64

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Solution

The fourth proportional to 479,646,590.97, 719,538,518.05 and 147,681,688.64 is: 221,543,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,646,590.97 : 719,538,518.05 = 147,681,688.64 : x
  2. Step 2: Convert to fraction form
    479,646,590.97/719,538,518.05 = 147,681,688.64/x
  3. Step 3: Cross multiply
    479,646,590.97x = 719,538,518.05 × 147,681,688.64
  4. Step 4: Simplify right side
    479,646,590.97x = 106,262,663,383,549,408
  5. Step 5: Solve for x
    x = 106,262,663,383,549,408/479,646,590.97
  6. Step 6: Final answer
    x = 221,543,664.41

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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.