Home / 317,292,643.68-475,960,829.52-132,874,437.60

Finding the Fourth Proportional to 317,292,643.68, 475,960,829.52 and 132,874,437.60

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Solution

The fourth proportional to 317,292,643.68, 475,960,829.52 and 132,874,437.60 is: 199,320,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,292,643.68 : 475,960,829.52 = 132,874,437.60 : x
  2. Step 2: Convert to fraction form
    317,292,643.68/475,960,829.52 = 132,874,437.60/x
  3. Step 3: Cross multiply
    317,292,643.68x = 475,960,829.52 × 132,874,437.60
  4. Step 4: Simplify right side
    317,292,643.68x = 63,243,027,542,099,472
  5. Step 5: Solve for x
    x = 63,243,027,542,099,472/317,292,643.68
  6. Step 6: Final answer
    x = 199,320,812.51

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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.