Home / 750,583,619.38-1,124,894,891.22-418,577,380.12

Finding the Fourth Proportional to 750,583,619.38, 1,124,894,891.22 and 418,577,380.12

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Solution

The fourth proportional to 750,583,619.38, 1,124,894,891.22 and 418,577,380.12 is: 627,319,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,583,619.38 : 1,124,894,891.22 = 418,577,380.12 : x
  2. Step 2: Convert to fraction form
    750,583,619.38/1,124,894,891.22 = 418,577,380.12/x
  3. Step 3: Cross multiply
    750,583,619.38x = 1,124,894,891.22 × 418,577,380.12
  4. Step 4: Simplify right side
    750,583,619.38x = 470,855,556,477,240,000
  5. Step 5: Solve for x
    x = 470,855,556,477,240,000/750,583,619.38
  6. Step 6: Final answer
    x = 627,319,254.40

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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.