Home / 472,392,691.20-708,589,036.80-299,355,501.60

Finding the Fourth Proportional to 472,392,691.20, 708,589,036.80 and 299,355,501.60

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Solution

The fourth proportional to 472,392,691.20, 708,589,036.80 and 299,355,501.60 is: 449,033,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,691.20 : 708,589,036.80 = 299,355,501.60 : x
  2. Step 2: Convert to fraction form
    472,392,691.20/708,589,036.80 = 299,355,501.60/x
  3. Step 3: Cross multiply
    472,392,691.20x = 708,589,036.80 × 299,355,501.60
  4. Step 4: Simplify right side
    472,392,691.20x = 212,120,026,539,524,864
  5. Step 5: Solve for x
    x = 212,120,026,539,524,864/472,392,691.20
  6. Step 6: Final answer
    x = 449,033,252.40

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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.