Home / 1,428,136,502.28-2,141,226,787.12-727,271,963.88

Finding the Fourth Proportional to 1,428,136,502.28, 2,141,226,787.12 and 727,271,963.88

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Solution

The fourth proportional to 1,428,136,502.28, 2,141,226,787.12 and 727,271,963.88 is: 1,090,409,920.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,136,502.28 : 2,141,226,787.12 = 727,271,963.88 : x
  2. Step 2: Convert to fraction form
    1,428,136,502.28/2,141,226,787.12 = 727,271,963.88/x
  3. Step 3: Cross multiply
    1,428,136,502.28x = 2,141,226,787.12 × 727,271,963.88
  4. Step 4: Simplify right side
    1,428,136,502.28x = 1,557,254,210,581,224,960
  5. Step 5: Solve for x
    x = 1,557,254,210,581,224,960/1,428,136,502.28
  6. Step 6: Final answer
    x = 1,090,409,920.97

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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.