Home / 1,241,388,899.28-1,859,976,172.80-749,067,730.56

Finding the Fourth Proportional to 1,241,388,899.28, 1,859,976,172.80 and 749,067,730.56

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Solution

The fourth proportional to 1,241,388,899.28, 1,859,976,172.80 and 749,067,730.56 is: 1,122,330,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,388,899.28 : 1,859,976,172.80 = 749,067,730.56 : x
  2. Step 2: Convert to fraction form
    1,241,388,899.28/1,859,976,172.80 = 749,067,730.56/x
  3. Step 3: Cross multiply
    1,241,388,899.28x = 1,859,976,172.80 × 749,067,730.56
  4. Step 4: Simplify right side
    1,241,388,899.28x = 1,393,248,130,654,970,368
  5. Step 5: Solve for x
    x = 1,393,248,130,654,970,368/1,241,388,899.28
  6. Step 6: Final answer
    x = 1,122,330,102.57

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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.