Home / 1,861,072,667.40-2,791,609,001.10-1,657,676,910.68

Finding the Fourth Proportional to 1,861,072,667.40, 2,791,609,001.10 and 1,657,676,910.68

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Solution

The fourth proportional to 1,861,072,667.40, 2,791,609,001.10 and 1,657,676,910.68 is: 2,486,515,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,072,667.40 : 2,791,609,001.10 = 1,657,676,910.68 : x
  2. Step 2: Convert to fraction form
    1,861,072,667.40/2,791,609,001.10 = 1,657,676,910.68/x
  3. Step 3: Cross multiply
    1,861,072,667.40x = 2,791,609,001.10 × 1,657,676,910.68
  4. Step 4: Simplify right side
    1,861,072,667.40x = 4,627,585,784,769,929,216
  5. Step 5: Solve for x
    x = 4,627,585,784,769,929,216/1,861,072,667.40
  6. Step 6: Final answer
    x = 2,486,515,366.02

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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.