Home / 768,403,894.46-1,060,397,729.13-415,979,885.17

Finding the Fourth Proportional to 768,403,894.46, 1,060,397,729.13 and 415,979,885.17

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Solution

The fourth proportional to 768,403,894.46, 1,060,397,729.13 and 415,979,885.17 is: 574,052,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,403,894.46 : 1,060,397,729.13 = 415,979,885.17 : x
  2. Step 2: Convert to fraction form
    768,403,894.46/1,060,397,729.13 = 415,979,885.17/x
  3. Step 3: Cross multiply
    768,403,894.46x = 1,060,397,729.13 × 415,979,885.17
  4. Step 4: Simplify right side
    768,403,894.46x = 441,104,125,599,726,016
  5. Step 5: Solve for x
    x = 441,104,125,599,726,016/768,403,894.46
  6. Step 6: Final answer
    x = 574,052,433.60

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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.