Home / 1,868,050,015.48-2,577,920,679.78-1,021,279,162.43

Finding the Fourth Proportional to 1,868,050,015.48, 2,577,920,679.78 and 1,021,279,162.43

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Solution

The fourth proportional to 1,868,050,015.48, 2,577,920,679.78 and 1,021,279,162.43 is: 1,409,371,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,050,015.48 : 2,577,920,679.78 = 1,021,279,162.43 : x
  2. Step 2: Convert to fraction form
    1,868,050,015.48/2,577,920,679.78 = 1,021,279,162.43/x
  3. Step 3: Cross multiply
    1,868,050,015.48x = 2,577,920,679.78 × 1,021,279,162.43
  4. Step 4: Simplify right side
    1,868,050,015.48x = 2,632,776,672,644,822,016
  5. Step 5: Solve for x
    x = 2,632,776,672,644,822,016/1,868,050,015.48
  6. Step 6: Final answer
    x = 1,409,371,617.91

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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.