Home / 478,829,896.20-718,244,844.30-260,395,835.40

Finding the Fourth Proportional to 478,829,896.20, 718,244,844.30 and 260,395,835.40

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Solution

The fourth proportional to 478,829,896.20, 718,244,844.30 and 260,395,835.40 is: 390,593,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,829,896.20 : 718,244,844.30 = 260,395,835.40 : x
  2. Step 2: Convert to fraction form
    478,829,896.20/718,244,844.30 = 260,395,835.40/x
  3. Step 3: Cross multiply
    478,829,896.20x = 718,244,844.30 × 260,395,835.40
  4. Step 4: Simplify right side
    478,829,896.20x = 187,027,966,253,241,408
  5. Step 5: Solve for x
    x = 187,027,966,253,241,408/478,829,896.20
  6. Step 6: Final answer
    x = 390,593,753.10

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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.