Home / 30,684,622,538.01-42,338,637,730.77-17,134,174,760.88

Finding the Fourth Proportional to 30,684,622,538.01, 42,338,637,730.77 and 17,134,174,760.88

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Solution

The fourth proportional to 30,684,622,538.01, 42,338,637,730.77 and 17,134,174,760.88 is: 23,641,731,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,684,622,538.01 : 42,338,637,730.77 = 17,134,174,760.88 : x
  2. Step 2: Convert to fraction form
    30,684,622,538.01/42,338,637,730.77 = 17,134,174,760.88/x
  3. Step 3: Cross multiply
    30,684,622,538.01x = 42,338,637,730.77 × 17,134,174,760.88
  4. Step 4: Simplify right side
    30,684,622,538.01x = 725,437,618,016,600,981,504
  5. Step 5: Solve for x
    x = 725,437,618,016,600,981,504/30,684,622,538.01
  6. Step 6: Final answer
    x = 23,641,731,851.78

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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.