Home / 720,794,208-995,517,152.64-488,604,092.16

Finding the Fourth Proportional to 720,794,208, 995,517,152.64 and 488,604,092.16

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Solution

The fourth proportional to 720,794,208, 995,517,152.64 and 488,604,092.16 is: 674,830,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,794,208 : 995,517,152.64 = 488,604,092.16 : x
  2. Step 2: Convert to fraction form
    720,794,208/995,517,152.64 = 488,604,092.16/x
  3. Step 3: Cross multiply
    720,794,208x = 995,517,152.64 × 488,604,092.16
  4. Step 4: Simplify right side
    720,794,208x = 486,413,754,595,375,360
  5. Step 5: Solve for x
    x = 486,413,754,595,375,360/720,794,208
  6. Step 6: Final answer
    x = 674,830,276.38

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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.