Home / 689,843,951.28-1,034,765,971.92-551,019,584.16

Finding the Fourth Proportional to 689,843,951.28, 1,034,765,971.92 and 551,019,584.16

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Solution

The fourth proportional to 689,843,951.28, 1,034,765,971.92 and 551,019,584.16 is: 826,529,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,843,951.28 : 1,034,765,971.92 = 551,019,584.16 : x
  2. Step 2: Convert to fraction form
    689,843,951.28/1,034,765,971.92 = 551,019,584.16/x
  3. Step 3: Cross multiply
    689,843,951.28x = 1,034,765,971.92 × 551,019,584.16
  4. Step 4: Simplify right side
    689,843,951.28x = 570,176,315,550,276,608
  5. Step 5: Solve for x
    x = 570,176,315,550,276,608/689,843,951.28
  6. Step 6: Final answer
    x = 826,529,412.18

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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.