Home / 311,360,284.50-429,605,908.11-185,888,060.70

Finding the Fourth Proportional to 311,360,284.50, 429,605,908.11 and 185,888,060.70

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Solution

The fourth proportional to 311,360,284.50, 429,605,908.11 and 185,888,060.70 is: 256,482,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,360,284.50 : 429,605,908.11 = 185,888,060.70 : x
  2. Step 2: Convert to fraction form
    311,360,284.50/429,605,908.11 = 185,888,060.70/x
  3. Step 3: Cross multiply
    311,360,284.50x = 429,605,908.11 × 185,888,060.70
  4. Step 4: Simplify right side
    311,360,284.50x = 79,858,609,123,830,304
  5. Step 5: Solve for x
    x = 79,858,609,123,830,304/311,360,284.50
  6. Step 6: Final answer
    x = 256,482,965.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.