Home / 1,391,036,673.70-2,086,555,010.55-1,044,111,988.90

Finding the Fourth Proportional to 1,391,036,673.70, 2,086,555,010.55 and 1,044,111,988.90

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Solution

The fourth proportional to 1,391,036,673.70, 2,086,555,010.55 and 1,044,111,988.90 is: 1,566,167,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,036,673.70 : 2,086,555,010.55 = 1,044,111,988.90 : x
  2. Step 2: Convert to fraction form
    1,391,036,673.70/2,086,555,010.55 = 1,044,111,988.90/x
  3. Step 3: Cross multiply
    1,391,036,673.70x = 2,086,555,010.55 × 1,044,111,988.90
  4. Step 4: Simplify right side
    1,391,036,673.70x = 2,178,597,102,014,620,928
  5. Step 5: Solve for x
    x = 2,178,597,102,014,620,928/1,391,036,673.70
  6. Step 6: Final answer
    x = 1,566,167,983.35

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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.