Home / 472,392,023.10-708,588,034.65-300,630,291.90

Finding the Fourth Proportional to 472,392,023.10, 708,588,034.65 and 300,630,291.90

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Solution

The fourth proportional to 472,392,023.10, 708,588,034.65 and 300,630,291.90 is: 450,945,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,023.10 : 708,588,034.65 = 300,630,291.90 : x
  2. Step 2: Convert to fraction form
    472,392,023.10/708,588,034.65 = 300,630,291.90/x
  3. Step 3: Cross multiply
    472,392,023.10x = 708,588,034.65 × 300,630,291.90
  4. Step 4: Simplify right side
    472,392,023.10x = 213,023,027,693,676,800
  5. Step 5: Solve for x
    x = 213,023,027,693,676,800/472,392,023.10
  6. Step 6: Final answer
    x = 450,945,437.85

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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.