Home / 382,589,108,335.65-527,969,831,834.15-208,974,358,506.12

Finding the Fourth Proportional to 382,589,108,335.65, 527,969,831,834.15 and 208,974,358,506.12

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Solution

The fourth proportional to 382,589,108,335.65, 527,969,831,834.15 and 208,974,358,506.12 is: 288,382,900,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,589,108,335.65 : 527,969,831,834.15 = 208,974,358,506.12 : x
  2. Step 2: Convert to fraction form
    382,589,108,335.65/527,969,831,834.15 = 208,974,358,506.12/x
  3. Step 3: Cross multiply
    382,589,108,335.65x = 527,969,831,834.15 × 208,974,358,506.12
  4. Step 4: Simplify right side
    382,589,108,335.65x = 110,332,156,918,125,555,613,696
  5. Step 5: Solve for x
    x = 110,332,156,918,125,555,613,696/382,589,108,335.65
  6. Step 6: Final answer
    x = 288,382,900,909.27

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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.