Home / 1,394,700,998.70-1,924,687,413.30-768,169,426.65

Finding the Fourth Proportional to 1,394,700,998.70, 1,924,687,413.30 and 768,169,426.65

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Solution

The fourth proportional to 1,394,700,998.70, 1,924,687,413.30 and 768,169,426.65 is: 1,060,073,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,700,998.70 : 1,924,687,413.30 = 768,169,426.65 : x
  2. Step 2: Convert to fraction form
    1,394,700,998.70/1,924,687,413.30 = 768,169,426.65/x
  3. Step 3: Cross multiply
    1,394,700,998.70x = 1,924,687,413.30 × 768,169,426.65
  4. Step 4: Simplify right side
    1,394,700,998.70x = 1,478,486,026,761,708,800
  5. Step 5: Solve for x
    x = 1,478,486,026,761,708,800/1,394,700,998.70
  6. Step 6: Final answer
    x = 1,060,073,828.11

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Double scale
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1.5x scale

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.