Home / 12,799,581,538.09-17,663,292,415.77-7,083,877,062.12

Finding the Fourth Proportional to 12,799,581,538.09, 17,663,292,415.77 and 7,083,877,062.12

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Solution

The fourth proportional to 12,799,581,538.09, 17,663,292,415.77 and 7,083,877,062.12 is: 9,775,678,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799,581,538.09 : 17,663,292,415.77 = 7,083,877,062.12 : x
  2. Step 2: Convert to fraction form
    12,799,581,538.09/17,663,292,415.77 = 7,083,877,062.12/x
  3. Step 3: Cross multiply
    12,799,581,538.09x = 17,663,292,415.77 × 7,083,877,062.12
  4. Step 4: Simplify right side
    12,799,581,538.09x = 125,124,591,985,591,271,424
  5. Step 5: Solve for x
    x = 125,124,591,985,591,271,424/12,799,581,538.09
  6. Step 6: Final answer
    x = 9,775,678,338.64

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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.