Home / 500,532,078.60-750,798,117.90-155,591,440.20

Finding the Fourth Proportional to 500,532,078.60, 750,798,117.90 and 155,591,440.20

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Solution

The fourth proportional to 500,532,078.60, 750,798,117.90 and 155,591,440.20 is: 233,387,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,532,078.60 : 750,798,117.90 = 155,591,440.20 : x
  2. Step 2: Convert to fraction form
    500,532,078.60/750,798,117.90 = 155,591,440.20/x
  3. Step 3: Cross multiply
    500,532,078.60x = 750,798,117.90 × 155,591,440.20
  4. Step 4: Simplify right side
    500,532,078.60x = 116,817,760,463,510,384
  5. Step 5: Solve for x
    x = 116,817,760,463,510,384/500,532,078.60
  6. Step 6: Final answer
    x = 233,387,160.30

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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.