Home / 487,987,874-732,005,352.88-160,456,135.76

Finding the Fourth Proportional to 487,987,874, 732,005,352.88 and 160,456,135.76

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Solution

The fourth proportional to 487,987,874, 732,005,352.88 and 160,456,135.76 is: 240,691,944.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,987,874 : 732,005,352.88 = 160,456,135.76 : x
  2. Step 2: Convert to fraction form
    487,987,874/732,005,352.88 = 160,456,135.76/x
  3. Step 3: Cross multiply
    487,987,874x = 732,005,352.88 × 160,456,135.76
  4. Step 4: Simplify right side
    487,987,874x = 117,454,750,278,759,984
  5. Step 5: Solve for x
    x = 117,454,750,278,759,984/487,987,874
  6. Step 6: Final answer
    x = 240,691,944.49

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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.