Home / 1,664,123,711.20-2,496,185,566.80-804,160,319.20

Finding the Fourth Proportional to 1,664,123,711.20, 2,496,185,566.80 and 804,160,319.20

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Solution

The fourth proportional to 1,664,123,711.20, 2,496,185,566.80 and 804,160,319.20 is: 1,206,240,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,123,711.20 : 2,496,185,566.80 = 804,160,319.20 : x
  2. Step 2: Convert to fraction form
    1,664,123,711.20/2,496,185,566.80 = 804,160,319.20/x
  3. Step 3: Cross multiply
    1,664,123,711.20x = 2,496,185,566.80 × 804,160,319.20
  4. Step 4: Simplify right side
    1,664,123,711.20x = 2,007,333,382,180,321,280
  5. Step 5: Solve for x
    x = 2,007,333,382,180,321,280/1,664,123,711.20
  6. Step 6: Final answer
    x = 1,206,240,478.80

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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.