Home / 1,428,136,490.25-2,141,226,769.14-727,271,951.85

Finding the Fourth Proportional to 1,428,136,490.25, 2,141,226,769.14 and 727,271,951.85

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Solution

The fourth proportional to 1,428,136,490.25, 2,141,226,769.14 and 727,271,951.85 is: 1,090,409,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,136,490.25 : 2,141,226,769.14 = 727,271,951.85 : x
  2. Step 2: Convert to fraction form
    1,428,136,490.25/2,141,226,769.14 = 727,271,951.85/x
  3. Step 3: Cross multiply
    1,428,136,490.25x = 2,141,226,769.14 × 727,271,951.85
  4. Step 4: Simplify right side
    1,428,136,490.25x = 1,557,254,171,745,917,184
  5. Step 5: Solve for x
    x = 1,557,254,171,745,917,184/1,428,136,490.25
  6. Step 6: Final answer
    x = 1,090,409,902.96

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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.