Home / 1,920,712,625.34-2,647,976,761.81-1,347,717,154.58

Finding the Fourth Proportional to 1,920,712,625.34, 2,647,976,761.81 and 1,347,717,154.58

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Solution

The fourth proportional to 1,920,712,625.34, 2,647,976,761.81 and 1,347,717,154.58 is: 1,858,020,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,712,625.34 : 2,647,976,761.81 = 1,347,717,154.58 : x
  2. Step 2: Convert to fraction form
    1,920,712,625.34/2,647,976,761.81 = 1,347,717,154.58/x
  3. Step 3: Cross multiply
    1,920,712,625.34x = 2,647,976,761.81 × 1,347,717,154.58
  4. Step 4: Simplify right side
    1,920,712,625.34x = 3,568,723,706,823,785,984
  5. Step 5: Solve for x
    x = 3,568,723,706,823,785,984/1,920,712,625.34
  6. Step 6: Final answer
    x = 1,858,020,642.83

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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.