Home / 477,485,720.02-716,228,519.82-132,439,345.84

Finding the Fourth Proportional to 477,485,720.02, 716,228,519.82 and 132,439,345.84

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Solution

The fourth proportional to 477,485,720.02, 716,228,519.82 and 132,439,345.84 is: 198,659,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,485,720.02 : 716,228,519.82 = 132,439,345.84 : x
  2. Step 2: Convert to fraction form
    477,485,720.02/716,228,519.82 = 132,439,345.84/x
  3. Step 3: Cross multiply
    477,485,720.02x = 716,228,519.82 × 132,439,345.84
  4. Step 4: Simplify right side
    477,485,720.02x = 94,856,836,636,912,288
  5. Step 5: Solve for x
    x = 94,856,836,636,912,288/477,485,720.02
  6. Step 6: Final answer
    x = 198,659,002.06

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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.