Home / 310,565,626.40-465,281,569.20-252,744,845.60

Finding the Fourth Proportional to 310,565,626.40, 465,281,569.20 and 252,744,845.60

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Solution

The fourth proportional to 310,565,626.40, 465,281,569.20 and 252,744,845.60 is: 378,655,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,565,626.40 : 465,281,569.20 = 252,744,845.60 : x
  2. Step 2: Convert to fraction form
    310,565,626.40/465,281,569.20 = 252,744,845.60/x
  3. Step 3: Cross multiply
    310,565,626.40x = 465,281,569.20 × 252,744,845.60
  4. Step 4: Simplify right side
    310,565,626.40x = 117,597,518,367,979,712
  5. Step 5: Solve for x
    x = 117,597,518,367,979,712/310,565,626.40
  6. Step 6: Final answer
    x = 378,655,937.33

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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.