Home / 2,123,641,133.28-3,185,471,775.90-649,778,591.43

Finding the Fourth Proportional to 2,123,641,133.28, 3,185,471,775.90 and 649,778,591.43

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Solution

The fourth proportional to 2,123,641,133.28, 3,185,471,775.90 and 649,778,591.43 is: 974,670,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,641,133.28 : 3,185,471,775.90 = 649,778,591.43 : x
  2. Step 2: Convert to fraction form
    2,123,641,133.28/3,185,471,775.90 = 649,778,591.43/x
  3. Step 3: Cross multiply
    2,123,641,133.28x = 3,185,471,775.90 × 649,778,591.43
  4. Step 4: Simplify right side
    2,123,641,133.28x = 2,069,851,363,584,322,560
  5. Step 5: Solve for x
    x = 2,069,851,363,584,322,560/2,123,641,133.28
  6. Step 6: Final answer
    x = 974,670,970.13

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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.