Home / 498,230,999.40-747,346,499.10-207,001,331.40

Finding the Fourth Proportional to 498,230,999.40, 747,346,499.10 and 207,001,331.40

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Solution

The fourth proportional to 498,230,999.40, 747,346,499.10 and 207,001,331.40 is: 310,501,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,230,999.40 : 747,346,499.10 = 207,001,331.40 : x
  2. Step 2: Convert to fraction form
    498,230,999.40/747,346,499.10 = 207,001,331.40/x
  3. Step 3: Cross multiply
    498,230,999.40x = 747,346,499.10 × 207,001,331.40
  4. Step 4: Simplify right side
    498,230,999.40x = 154,701,720,330,828,896
  5. Step 5: Solve for x
    x = 154,701,720,330,828,896/498,230,999.40
  6. Step 6: Final answer
    x = 310,501,997.10

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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.