Home / 1,398,815,656.09-1,930,534,881.29-796,132,820.81

Finding the Fourth Proportional to 1,398,815,656.09, 1,930,534,881.29 and 796,132,820.81

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Solution

The fourth proportional to 1,398,815,656.09, 1,930,534,881.29 and 796,132,820.81 is: 1,098,759,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,815,656.09 : 1,930,534,881.29 = 796,132,820.81 : x
  2. Step 2: Convert to fraction form
    1,398,815,656.09/1,930,534,881.29 = 796,132,820.81/x
  3. Step 3: Cross multiply
    1,398,815,656.09x = 1,930,534,881.29 × 796,132,820.81
  4. Step 4: Simplify right side
    1,398,815,656.09x = 1,536,962,180,713,506,048
  5. Step 5: Solve for x
    x = 1,536,962,180,713,506,048/1,398,815,656.09
  6. Step 6: Final answer
    x = 1,098,759,635.71

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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.