Home / 972,510,177.20-1,457,526,635.40-397,431,777.20

Finding the Fourth Proportional to 972,510,177.20, 1,457,526,635.40 and 397,431,777.20

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Solution

The fourth proportional to 972,510,177.20, 1,457,526,635.40 and 397,431,777.20 is: 595,641,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,510,177.20 : 1,457,526,635.40 = 397,431,777.20 : x
  2. Step 2: Convert to fraction form
    972,510,177.20/1,457,526,635.40 = 397,431,777.20/x
  3. Step 3: Cross multiply
    972,510,177.20x = 1,457,526,635.40 × 397,431,777.20
  4. Step 4: Simplify right side
    972,510,177.20x = 579,267,401,023,358,464
  5. Step 5: Solve for x
    x = 579,267,401,023,358,464/972,510,177.20
  6. Step 6: Final answer
    x = 595,641,479.75

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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.