Home / 830,160,697.77-1,245,292,397.42-277,512,854.49

Finding the Fourth Proportional to 830,160,697.77, 1,245,292,397.42 and 277,512,854.49

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Solution

The fourth proportional to 830,160,697.77, 1,245,292,397.42 and 277,512,854.49 is: 416,286,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,160,697.77 : 1,245,292,397.42 = 277,512,854.49 : x
  2. Step 2: Convert to fraction form
    830,160,697.77/1,245,292,397.42 = 277,512,854.49/x
  3. Step 3: Cross multiply
    830,160,697.77x = 1,245,292,397.42 × 277,512,854.49
  4. Step 4: Simplify right side
    830,160,697.77x = 345,584,647,881,332,160
  5. Step 5: Solve for x
    x = 345,584,647,881,332,160/830,160,697.77
  6. Step 6: Final answer
    x = 416,286,447.68

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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.