Home / 1,258,272,046.30-1,887,408,069.45-822,915,579.10

Finding the Fourth Proportional to 1,258,272,046.30, 1,887,408,069.45 and 822,915,579.10

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Solution

The fourth proportional to 1,258,272,046.30, 1,887,408,069.45 and 822,915,579.10 is: 1,234,373,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,272,046.30 : 1,887,408,069.45 = 822,915,579.10 : x
  2. Step 2: Convert to fraction form
    1,258,272,046.30/1,887,408,069.45 = 822,915,579.10/x
  3. Step 3: Cross multiply
    1,258,272,046.30x = 1,887,408,069.45 × 822,915,579.10
  4. Step 4: Simplify right side
    1,258,272,046.30x = 1,553,177,504,469,459,968
  5. Step 5: Solve for x
    x = 1,553,177,504,469,459,968/1,258,272,046.30
  6. Step 6: Final answer
    x = 1,234,373,368.65

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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.