Home / 471,503,627.20-707,255,440.80-394,976,123.20

Finding the Fourth Proportional to 471,503,627.20, 707,255,440.80 and 394,976,123.20

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Solution

The fourth proportional to 471,503,627.20, 707,255,440.80 and 394,976,123.20 is: 592,464,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,503,627.20 : 707,255,440.80 = 394,976,123.20 : x
  2. Step 2: Convert to fraction form
    471,503,627.20/707,255,440.80 = 394,976,123.20/x
  3. Step 3: Cross multiply
    471,503,627.20x = 707,255,440.80 × 394,976,123.20
  4. Step 4: Simplify right side
    471,503,627.20x = 279,349,012,119,291,072
  5. Step 5: Solve for x
    x = 279,349,012,119,291,072/471,503,627.20
  6. Step 6: Final answer
    x = 592,464,184.80

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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.