Home / 1,428,136,503.28-2,141,226,788.62-727,271,964.88

Finding the Fourth Proportional to 1,428,136,503.28, 2,141,226,788.62 and 727,271,964.88

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Solution

The fourth proportional to 1,428,136,503.28, 2,141,226,788.62 and 727,271,964.88 is: 1,090,409,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,136,503.28 : 2,141,226,788.62 = 727,271,964.88 : x
  2. Step 2: Convert to fraction form
    1,428,136,503.28/2,141,226,788.62 = 727,271,964.88/x
  3. Step 3: Cross multiply
    1,428,136,503.28x = 2,141,226,788.62 × 727,271,964.88
  4. Step 4: Simplify right side
    1,428,136,503.28x = 1,557,254,213,813,359,616
  5. Step 5: Solve for x
    x = 1,557,254,213,813,359,616/1,428,136,503.28
  6. Step 6: Final answer
    x = 1,090,409,922.47

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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.