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Finding the Fourth Proportional to 310,888,966.60, 466,632,048.30 and 157,707,987.40

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Solution

The fourth proportional to 310,888,966.60, 466,632,048.30 and 157,707,987.40 is: 236,713,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,888,966.60 : 466,632,048.30 = 157,707,987.40 : x
  2. Step 2: Convert to fraction form
    310,888,966.60/466,632,048.30 = 157,707,987.40/x
  3. Step 3: Cross multiply
    310,888,966.60x = 466,632,048.30 × 157,707,987.40
  4. Step 4: Simplify right side
    310,888,966.60x = 73,591,601,193,732,592
  5. Step 5: Solve for x
    x = 73,591,601,193,732,592/310,888,966.60
  6. Step 6: Final answer
    x = 236,713,454.32

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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.