Home / 485,052,459.40-727,684,977.30-239,526,717.40

Finding the Fourth Proportional to 485,052,459.40, 727,684,977.30 and 239,526,717.40

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Solution

The fourth proportional to 485,052,459.40, 727,684,977.30 and 239,526,717.40 is: 359,342,562.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,052,459.40 : 727,684,977.30 = 239,526,717.40 : x
  2. Step 2: Convert to fraction form
    485,052,459.40/727,684,977.30 = 239,526,717.40/x
  3. Step 3: Cross multiply
    485,052,459.40x = 727,684,977.30 × 239,526,717.40
  4. Step 4: Simplify right side
    485,052,459.40x = 174,299,993,913,962,496
  5. Step 5: Solve for x
    x = 174,299,993,913,962,496/485,052,459.40
  6. Step 6: Final answer
    x = 359,342,562.93

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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.