Home / 251,482,591.20-377,223,886.80-239,578,312.80

Finding the Fourth Proportional to 251,482,591.20, 377,223,886.80 and 239,578,312.80

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Solution

The fourth proportional to 251,482,591.20, 377,223,886.80 and 239,578,312.80 is: 359,367,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,482,591.20 : 377,223,886.80 = 239,578,312.80 : x
  2. Step 2: Convert to fraction form
    251,482,591.20/377,223,886.80 = 239,578,312.80/x
  3. Step 3: Cross multiply
    251,482,591.20x = 377,223,886.80 × 239,578,312.80
  4. Step 4: Simplify right side
    251,482,591.20x = 90,374,662,347,402,192
  5. Step 5: Solve for x
    x = 90,374,662,347,402,192/251,482,591.20
  6. Step 6: Final answer
    x = 359,367,469.20

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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.