Home / 732,251,920.75-1,010,515,066.17-397,730,975.53

Finding the Fourth Proportional to 732,251,920.75, 1,010,515,066.17 and 397,730,975.53

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Solution

The fourth proportional to 732,251,920.75, 1,010,515,066.17 and 397,730,975.53 is: 548,872,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,251,920.75 : 1,010,515,066.17 = 397,730,975.53 : x
  2. Step 2: Convert to fraction form
    732,251,920.75/1,010,515,066.17 = 397,730,975.53/x
  3. Step 3: Cross multiply
    732,251,920.75x = 1,010,515,066.17 × 397,730,975.53
  4. Step 4: Simplify right side
    732,251,920.75x = 401,913,143,055,556,544
  5. Step 5: Solve for x
    x = 401,913,143,055,556,544/732,251,920.75
  6. Step 6: Final answer
    x = 548,872,774.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.