Home / 485,044,277.40-727,672,704.30-239,518,535.40

Finding the Fourth Proportional to 485,044,277.40, 727,672,704.30 and 239,518,535.40

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Solution

The fourth proportional to 485,044,277.40, 727,672,704.30 and 239,518,535.40 is: 359,330,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,044,277.40 : 727,672,704.30 = 239,518,535.40 : x
  2. Step 2: Convert to fraction form
    485,044,277.40/727,672,704.30 = 239,518,535.40/x
  3. Step 3: Cross multiply
    485,044,277.40x = 727,672,704.30 × 239,518,535.40
  4. Step 4: Simplify right side
    485,044,277.40x = 174,291,100,384,493,280
  5. Step 5: Solve for x
    x = 174,291,100,384,493,280/485,044,277.40
  6. Step 6: Final answer
    x = 359,330,289.02

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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.