Home / 485,258,002.40-727,887,003.60-436,885,061.60

Finding the Fourth Proportional to 485,258,002.40, 727,887,003.60 and 436,885,061.60

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Solution

The fourth proportional to 485,258,002.40, 727,887,003.60 and 436,885,061.60 is: 655,327,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,258,002.40 : 727,887,003.60 = 436,885,061.60 : x
  2. Step 2: Convert to fraction form
    485,258,002.40/727,887,003.60 = 436,885,061.60/x
  3. Step 3: Cross multiply
    485,258,002.40x = 727,887,003.60 × 436,885,061.60
  4. Step 4: Simplify right side
    485,258,002.40x = 318,002,958,405,625,472
  5. Step 5: Solve for x
    x = 318,002,958,405,625,472/485,258,002.40
  6. Step 6: Final answer
    x = 655,327,592.40

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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.