Home / 482,644,419.60-723,966,629.40-119,138,775.60

Finding the Fourth Proportional to 482,644,419.60, 723,966,629.40 and 119,138,775.60

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Solution

The fourth proportional to 482,644,419.60, 723,966,629.40 and 119,138,775.60 is: 178,708,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,644,419.60 : 723,966,629.40 = 119,138,775.60 : x
  2. Step 2: Convert to fraction form
    482,644,419.60/723,966,629.40 = 119,138,775.60/x
  3. Step 3: Cross multiply
    482,644,419.60x = 723,966,629.40 × 119,138,775.60
  4. Step 4: Simplify right side
    482,644,419.60x = 86,252,497,801,974,960
  5. Step 5: Solve for x
    x = 86,252,497,801,974,960/482,644,419.60
  6. Step 6: Final answer
    x = 178,708,163.40

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Double scale
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1.5x scale

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.