Home / 866,601,078.58-1,195,808,596.35-485,144,001.55

Finding the Fourth Proportional to 866,601,078.58, 1,195,808,596.35 and 485,144,001.55

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Solution

The fourth proportional to 866,601,078.58, 1,195,808,596.35 and 485,144,001.55 is: 669,442,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,601,078.58 : 1,195,808,596.35 = 485,144,001.55 : x
  2. Step 2: Convert to fraction form
    866,601,078.58/1,195,808,596.35 = 485,144,001.55/x
  3. Step 3: Cross multiply
    866,601,078.58x = 1,195,808,596.35 × 485,144,001.55
  4. Step 4: Simplify right side
    866,601,078.58x = 580,139,367,521,127,680
  5. Step 5: Solve for x
    x = 580,139,367,521,127,680/866,601,078.58
  6. Step 6: Final answer
    x = 669,442,240.33

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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.