Home / 1,002,592,324.89-1,503,275,289.34-478,121,837.90

Finding the Fourth Proportional to 1,002,592,324.89, 1,503,275,289.34 and 478,121,837.90

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Solution

The fourth proportional to 1,002,592,324.89, 1,503,275,289.34 and 478,121,837.90 is: 716,890,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,592,324.89 : 1,503,275,289.34 = 478,121,837.90 : x
  2. Step 2: Convert to fraction form
    1,002,592,324.89/1,503,275,289.34 = 478,121,837.90/x
  3. Step 3: Cross multiply
    1,002,592,324.89x = 1,503,275,289.34 × 478,121,837.90
  4. Step 4: Simplify right side
    1,002,592,324.89x = 718,748,744,211,642,112
  5. Step 5: Solve for x
    x = 718,748,744,211,642,112/1,002,592,324.89
  6. Step 6: Final answer
    x = 716,890,331.56

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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.