Home / 1,409,707,113.30-1,945,281,943.61-815,029,927.97

Finding the Fourth Proportional to 1,409,707,113.30, 1,945,281,943.61 and 815,029,927.97

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Solution

The fourth proportional to 1,409,707,113.30, 1,945,281,943.61 and 815,029,927.97 is: 1,124,675,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,707,113.30 : 1,945,281,943.61 = 815,029,927.97 : x
  2. Step 2: Convert to fraction form
    1,409,707,113.30/1,945,281,943.61 = 815,029,927.97/x
  3. Step 3: Cross multiply
    1,409,707,113.30x = 1,945,281,943.61 × 815,029,927.97
  4. Step 4: Simplify right side
    1,409,707,113.30x = 1,585,463,002,367,998,464
  5. Step 5: Solve for x
    x = 1,585,463,002,367,998,464/1,409,707,113.30
  6. Step 6: Final answer
    x = 1,124,675,464.44

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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.