Home / 747,680,894.55-1,121,521,341.83-360,260,405.55

Finding the Fourth Proportional to 747,680,894.55, 1,121,521,341.83 and 360,260,405.55

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Solution

The fourth proportional to 747,680,894.55, 1,121,521,341.83 and 360,260,405.55 is: 540,390,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,680,894.55 : 1,121,521,341.83 = 360,260,405.55 : x
  2. Step 2: Convert to fraction form
    747,680,894.55/1,121,521,341.83 = 360,260,405.55/x
  3. Step 3: Cross multiply
    747,680,894.55x = 1,121,521,341.83 × 360,260,405.55
  4. Step 4: Simplify right side
    747,680,894.55x = 404,039,733,438,854,720
  5. Step 5: Solve for x
    x = 404,039,733,438,854,720/747,680,894.55
  6. Step 6: Final answer
    x = 540,390,608.33

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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.