Home / 442,368,016.20-663,552,024.30-313,373,507.40

Finding the Fourth Proportional to 442,368,016.20, 663,552,024.30 and 313,373,507.40

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Solution

The fourth proportional to 442,368,016.20, 663,552,024.30 and 313,373,507.40 is: 470,060,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,368,016.20 : 663,552,024.30 = 313,373,507.40 : x
  2. Step 2: Convert to fraction form
    442,368,016.20/663,552,024.30 = 313,373,507.40/x
  3. Step 3: Cross multiply
    442,368,016.20x = 663,552,024.30 × 313,373,507.40
  4. Step 4: Simplify right side
    442,368,016.20x = 207,939,625,197,260,992
  5. Step 5: Solve for x
    x = 207,939,625,197,260,992/442,368,016.20
  6. Step 6: Final answer
    x = 470,060,261.10

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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.