Home / 1,049,761,781.80-1,574,642,672.70-322,656,015.40

Finding the Fourth Proportional to 1,049,761,781.80, 1,574,642,672.70 and 322,656,015.40

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Solution

The fourth proportional to 1,049,761,781.80, 1,574,642,672.70 and 322,656,015.40 is: 483,984,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,761,781.80 : 1,574,642,672.70 = 322,656,015.40 : x
  2. Step 2: Convert to fraction form
    1,049,761,781.80/1,574,642,672.70 = 322,656,015.40/x
  3. Step 3: Cross multiply
    1,049,761,781.80x = 1,574,642,672.70 × 322,656,015.40
  4. Step 4: Simplify right side
    1,049,761,781.80x = 508,067,930,452,188,352
  5. Step 5: Solve for x
    x = 508,067,930,452,188,352/1,049,761,781.80
  6. Step 6: Final answer
    x = 483,984,023.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.