Home / 1,120,518,470.62-1,681,359,400.28-457,019,265.64

Finding the Fourth Proportional to 1,120,518,470.62, 1,681,359,400.28 and 457,019,265.64

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Solution

The fourth proportional to 1,120,518,470.62, 1,681,359,400.28 and 457,019,265.64 is: 685,766,150.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,518,470.62 : 1,681,359,400.28 = 457,019,265.64 : x
  2. Step 2: Convert to fraction form
    1,120,518,470.62/1,681,359,400.28 = 457,019,265.64/x
  3. Step 3: Cross multiply
    1,120,518,470.62x = 1,681,359,400.28 × 457,019,265.64
  4. Step 4: Simplify right side
    1,120,518,470.62x = 768,413,638,392,876,416
  5. Step 5: Solve for x
    x = 768,413,638,392,876,416/1,120,518,470.62
  6. Step 6: Final answer
    x = 685,766,150.71

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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.