Home / 472,393,670.30-708,590,505.45-298,931,327.90

Finding the Fourth Proportional to 472,393,670.30, 708,590,505.45 and 298,931,327.90

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Solution

The fourth proportional to 472,393,670.30, 708,590,505.45 and 298,931,327.90 is: 448,396,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,670.30 : 708,590,505.45 = 298,931,327.90 : x
  2. Step 2: Convert to fraction form
    472,393,670.30/708,590,505.45 = 298,931,327.90/x
  3. Step 3: Cross multiply
    472,393,670.30x = 708,590,505.45 × 298,931,327.90
  4. Step 4: Simplify right side
    472,393,670.30x = 211,819,900,731,500,672
  5. Step 5: Solve for x
    x = 211,819,900,731,500,672/472,393,670.30
  6. Step 6: Final answer
    x = 448,396,991.85

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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.