Home / 485,047,229.40-727,677,132.30-239,521,487.40

Finding the Fourth Proportional to 485,047,229.40, 727,677,132.30 and 239,521,487.40

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Solution

The fourth proportional to 485,047,229.40, 727,677,132.30 and 239,521,487.40 is: 359,334,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,047,229.40 : 727,677,132.30 = 239,521,487.40 : x
  2. Step 2: Convert to fraction form
    485,047,229.40/727,677,132.30 = 239,521,487.40/x
  3. Step 3: Cross multiply
    485,047,229.40x = 727,677,132.30 × 239,521,487.40
  4. Step 4: Simplify right side
    485,047,229.40x = 174,294,309,075,462,560
  5. Step 5: Solve for x
    x = 174,294,309,075,462,560/485,047,229.40
  6. Step 6: Final answer
    x = 359,334,717.35

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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.