Home / 382,589,108,336.65-527,969,831,835.53-208,974,358,507.12

Finding the Fourth Proportional to 382,589,108,336.65, 527,969,831,835.53 and 208,974,358,507.12

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Solution

The fourth proportional to 382,589,108,336.65, 527,969,831,835.53 and 208,974,358,507.12 is: 288,382,900,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,589,108,336.65 : 527,969,831,835.53 = 208,974,358,507.12 : x
  2. Step 2: Convert to fraction form
    382,589,108,336.65/527,969,831,835.53 = 208,974,358,507.12/x
  3. Step 3: Cross multiply
    382,589,108,336.65x = 527,969,831,835.53 × 208,974,358,507.12
  4. Step 4: Simplify right side
    382,589,108,336.65x = 110,332,156,918,941,901,389,824
  5. Step 5: Solve for x
    x = 110,332,156,918,941,901,389,824/382,589,108,336.65
  6. Step 6: Final answer
    x = 288,382,900,910.65

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Double scale
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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.