Home / 472,392,000.30-708,588,000.45-326,517,350.70

Finding the Fourth Proportional to 472,392,000.30, 708,588,000.45 and 326,517,350.70

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Solution

The fourth proportional to 472,392,000.30, 708,588,000.45 and 326,517,350.70 is: 489,776,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,000.30 : 708,588,000.45 = 326,517,350.70 : x
  2. Step 2: Convert to fraction form
    472,392,000.30/708,588,000.45 = 326,517,350.70/x
  3. Step 3: Cross multiply
    472,392,000.30x = 708,588,000.45 × 326,517,350.70
  4. Step 4: Simplify right side
    472,392,000.30x = 231,366,276,644,744,416
  5. Step 5: Solve for x
    x = 231,366,276,644,744,416/472,392,000.30
  6. Step 6: Final answer
    x = 489,776,026.05

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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.