Home / 1,472,036,200.40-2,206,178,729.40-782,273,896.40

Finding the Fourth Proportional to 1,472,036,200.40, 2,206,178,729.40 and 782,273,896.40

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Solution

The fourth proportional to 1,472,036,200.40, 2,206,178,729.40 and 782,273,896.40 is: 1,172,414,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,036,200.40 : 2,206,178,729.40 = 782,273,896.40 : x
  2. Step 2: Convert to fraction form
    1,472,036,200.40/2,206,178,729.40 = 782,273,896.40/x
  3. Step 3: Cross multiply
    1,472,036,200.40x = 2,206,178,729.40 × 782,273,896.40
  4. Step 4: Simplify right side
    1,472,036,200.40x = 1,725,836,030,802,539,264
  5. Step 5: Solve for x
    x = 1,725,836,030,802,539,264/1,472,036,200.40
  6. Step 6: Final answer
    x = 1,172,414,122.92

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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.