Home / 1,398,605,704.58-1,930,066,053.77-763,526,196.32

Finding the Fourth Proportional to 1,398,605,704.58, 1,930,066,053.77 and 763,526,196.32

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Solution

The fourth proportional to 1,398,605,704.58, 1,930,066,053.77 and 763,526,196.32 is: 1,053,660,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,605,704.58 : 1,930,066,053.77 = 763,526,196.32 : x
  2. Step 2: Convert to fraction form
    1,398,605,704.58/1,930,066,053.77 = 763,526,196.32/x
  3. Step 3: Cross multiply
    1,398,605,704.58x = 1,930,066,053.77 × 763,526,196.32
  4. Step 4: Simplify right side
    1,398,605,704.58x = 1,473,655,992,681,360,896
  5. Step 5: Solve for x
    x = 1,473,655,992,681,360,896/1,398,605,704.58
  6. Step 6: Final answer
    x = 1,053,660,790.78

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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.