Home / 1,513,361,619.90-2,270,042,429.85-929,201,672.70

Finding the Fourth Proportional to 1,513,361,619.90, 2,270,042,429.85 and 929,201,672.70

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Solution

The fourth proportional to 1,513,361,619.90, 2,270,042,429.85 and 929,201,672.70 is: 1,393,802,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,361,619.90 : 2,270,042,429.85 = 929,201,672.70 : x
  2. Step 2: Convert to fraction form
    1,513,361,619.90/2,270,042,429.85 = 929,201,672.70/x
  3. Step 3: Cross multiply
    1,513,361,619.90x = 2,270,042,429.85 × 929,201,672.70
  4. Step 4: Simplify right side
    1,513,361,619.90x = 2,109,327,222,916,592,384
  5. Step 5: Solve for x
    x = 2,109,327,222,916,592,384/1,513,361,619.90
  6. Step 6: Final answer
    x = 1,393,802,509.05

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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.