Home / 660,868,253.28-991,137,567.60-194,436,864

Finding the Fourth Proportional to 660,868,253.28, 991,137,567.60 and 194,436,864

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Solution

The fourth proportional to 660,868,253.28, 991,137,567.60 and 194,436,864 is: 291,606,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,868,253.28 : 991,137,567.60 = 194,436,864 : x
  2. Step 2: Convert to fraction form
    660,868,253.28/991,137,567.60 = 194,436,864/x
  3. Step 3: Cross multiply
    660,868,253.28x = 991,137,567.60 × 194,436,864
  4. Step 4: Simplify right side
    660,868,253.28x = 192,713,680,436,732,000
  5. Step 5: Solve for x
    x = 192,713,680,436,732,000/660,868,253.28
  6. Step 6: Final answer
    x = 291,606,805.87

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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.