Home / 331,776,279.40-497,664,419.10-328,591,229.80

Finding the Fourth Proportional to 331,776,279.40, 497,664,419.10 and 328,591,229.80

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Solution

The fourth proportional to 331,776,279.40, 497,664,419.10 and 328,591,229.80 is: 492,886,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,279.40 : 497,664,419.10 = 328,591,229.80 : x
  2. Step 2: Convert to fraction form
    331,776,279.40/497,664,419.10 = 328,591,229.80/x
  3. Step 3: Cross multiply
    331,776,279.40x = 497,664,419.10 × 328,591,229.80
  4. Step 4: Simplify right side
    331,776,279.40x = 163,528,163,499,771,616
  5. Step 5: Solve for x
    x = 163,528,163,499,771,616/331,776,279.40
  6. Step 6: Final answer
    x = 492,886,844.70

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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.