Home / 1,513,361,619.40-2,270,042,429.10-929,201,672.20

Finding the Fourth Proportional to 1,513,361,619.40, 2,270,042,429.10 and 929,201,672.20

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Solution

The fourth proportional to 1,513,361,619.40, 2,270,042,429.10 and 929,201,672.20 is: 1,393,802,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,361,619.40 : 2,270,042,429.10 = 929,201,672.20 : x
  2. Step 2: Convert to fraction form
    1,513,361,619.40/2,270,042,429.10 = 929,201,672.20/x
  3. Step 3: Cross multiply
    1,513,361,619.40x = 2,270,042,429.10 × 929,201,672.20
  4. Step 4: Simplify right side
    1,513,361,619.40x = 2,109,327,221,084,669,952
  5. Step 5: Solve for x
    x = 2,109,327,221,084,669,952/1,513,361,619.40
  6. Step 6: Final answer
    x = 1,393,802,508.30

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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.