Home / 207,390,688,661.92-286,245,192,022.04-126,083,234,837.28

Finding the Fourth Proportional to 207,390,688,661.92, 286,245,192,022.04 and 126,083,234,837.28

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Solution

The fourth proportional to 207,390,688,661.92, 286,245,192,022.04 and 126,083,234,837.28 is: 174,022,855,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,390,688,661.92 : 286,245,192,022.04 = 126,083,234,837.28 : x
  2. Step 2: Convert to fraction form
    207,390,688,661.92/286,245,192,022.04 = 126,083,234,837.28/x
  3. Step 3: Cross multiply
    207,390,688,661.92x = 286,245,192,022.04 × 126,083,234,837.28
  4. Step 4: Simplify right side
    207,390,688,661.92x = 36,090,719,766,757,175,721,984
  5. Step 5: Solve for x
    x = 36,090,719,766,757,175,721,984/207,390,688,661.92
  6. Step 6: Final answer
    x = 174,022,855,122.44

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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.