Home / 1,049,761,778.30-1,574,642,667.45-322,656,011.90

Finding the Fourth Proportional to 1,049,761,778.30, 1,574,642,667.45 and 322,656,011.90

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Solution

The fourth proportional to 1,049,761,778.30, 1,574,642,667.45 and 322,656,011.90 is: 483,984,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,761,778.30 : 1,574,642,667.45 = 322,656,011.90 : x
  2. Step 2: Convert to fraction form
    1,049,761,778.30/1,574,642,667.45 = 322,656,011.90/x
  3. Step 3: Cross multiply
    1,049,761,778.30x = 1,574,642,667.45 × 322,656,011.90
  4. Step 4: Simplify right side
    1,049,761,778.30x = 508,067,923,246,994,944
  5. Step 5: Solve for x
    x = 508,067,923,246,994,944/1,049,761,778.30
  6. Step 6: Final answer
    x = 483,984,017.85

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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.