Home / 458,291,846.16-687,419,126.28-113,236,783.92

Finding the Fourth Proportional to 458,291,846.16, 687,419,126.28 and 113,236,783.92

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Solution

The fourth proportional to 458,291,846.16, 687,419,126.28 and 113,236,783.92 is: 169,850,569.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,291,846.16 : 687,419,126.28 = 113,236,783.92 : x
  2. Step 2: Convert to fraction form
    458,291,846.16/687,419,126.28 = 113,236,783.92/x
  3. Step 3: Cross multiply
    458,291,846.16x = 687,419,126.28 × 113,236,783.92
  4. Step 4: Simplify right side
    458,291,846.16x = 77,841,131,065,043,552
  5. Step 5: Solve for x
    x = 77,841,131,065,043,552/458,291,846.16
  6. Step 6: Final answer
    x = 169,850,569.49

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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.