Home / 1,087,668,402.80-1,631,502,604.20-269,780,703.80

Finding the Fourth Proportional to 1,087,668,402.80, 1,631,502,604.20 and 269,780,703.80

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Solution

The fourth proportional to 1,087,668,402.80, 1,631,502,604.20 and 269,780,703.80 is: 404,671,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,668,402.80 : 1,631,502,604.20 = 269,780,703.80 : x
  2. Step 2: Convert to fraction form
    1,087,668,402.80/1,631,502,604.20 = 269,780,703.80/x
  3. Step 3: Cross multiply
    1,087,668,402.80x = 1,631,502,604.20 × 269,780,703.80
  4. Step 4: Simplify right side
    1,087,668,402.80x = 440,147,920,812,608,896
  5. Step 5: Solve for x
    x = 440,147,920,812,608,896/1,087,668,402.80
  6. Step 6: Final answer
    x = 404,671,055.70

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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.