Home / 1,428,136,551.28-2,141,226,860.52-727,272,013.04

Finding the Fourth Proportional to 1,428,136,551.28, 2,141,226,860.52 and 727,272,013.04

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Solution

The fourth proportional to 1,428,136,551.28, 2,141,226,860.52 and 727,272,013.04 is: 1,090,409,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,136,551.28 : 2,141,226,860.52 = 727,272,013.04 : x
  2. Step 2: Convert to fraction form
    1,428,136,551.28/2,141,226,860.52 = 727,272,013.04/x
  3. Step 3: Cross multiply
    1,428,136,551.28x = 2,141,226,860.52 × 727,272,013.04
  4. Step 4: Simplify right side
    1,428,136,551.28x = 1,557,254,369,225,699,584
  5. Step 5: Solve for x
    x = 1,557,254,369,225,699,584/1,428,136,551.28
  6. Step 6: Final answer
    x = 1,090,409,994.64

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Double scale
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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.