Home / 207,390,688,648.88-286,245,192,004.11-126,083,234,824.24

Finding the Fourth Proportional to 207,390,688,648.88, 286,245,192,004.11 and 126,083,234,824.24

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Solution

The fourth proportional to 207,390,688,648.88, 286,245,192,004.11 and 126,083,234,824.24 is: 174,022,855,104.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,390,688,648.88 : 286,245,192,004.11 = 126,083,234,824.24 : x
  2. Step 2: Convert to fraction form
    207,390,688,648.88/286,245,192,004.11 = 126,083,234,824.24/x
  3. Step 3: Cross multiply
    207,390,688,648.88x = 286,245,192,004.11 × 126,083,234,824.24
  4. Step 4: Simplify right side
    207,390,688,648.88x = 36,090,719,760,763,867,627,520
  5. Step 5: Solve for x
    x = 36,090,719,760,763,867,627,520/207,390,688,648.88
  6. Step 6: Final answer
    x = 174,022,855,104.49

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Double scale
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1.5x scale

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.