Home / 398,582,800.20-597,874,200.30-358,272,016.20

Finding the Fourth Proportional to 398,582,800.20, 597,874,200.30 and 358,272,016.20

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Solution

The fourth proportional to 398,582,800.20, 597,874,200.30 and 358,272,016.20 is: 537,408,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,582,800.20 : 597,874,200.30 = 358,272,016.20 : x
  2. Step 2: Convert to fraction form
    398,582,800.20/597,874,200.30 = 358,272,016.20/x
  3. Step 3: Cross multiply
    398,582,800.20x = 597,874,200.30 × 358,272,016.20
  4. Step 4: Simplify right side
    398,582,800.20x = 214,201,595,175,443,616
  5. Step 5: Solve for x
    x = 214,201,595,175,443,616/398,582,800.20
  6. Step 6: Final answer
    x = 537,408,024.30

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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.