Home / 1,229,124,345.10-1,843,686,517.65-854,617,872.40

Finding the Fourth Proportional to 1,229,124,345.10, 1,843,686,517.65 and 854,617,872.40

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Solution

The fourth proportional to 1,229,124,345.10, 1,843,686,517.65 and 854,617,872.40 is: 1,281,926,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,124,345.10 : 1,843,686,517.65 = 854,617,872.40 : x
  2. Step 2: Convert to fraction form
    1,229,124,345.10/1,843,686,517.65 = 854,617,872.40/x
  3. Step 3: Cross multiply
    1,229,124,345.10x = 1,843,686,517.65 × 854,617,872.40
  4. Step 4: Simplify right side
    1,229,124,345.10x = 1,575,647,449,086,608,128
  5. Step 5: Solve for x
    x = 1,575,647,449,086,608,128/1,229,124,345.10
  6. Step 6: Final answer
    x = 1,281,926,808.60

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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.