Home / 1,877,688,500.76-2,591,080,511.63-1,042,247,305.53

Finding the Fourth Proportional to 1,877,688,500.76, 2,591,080,511.63 and 1,042,247,305.53

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Solution

The fourth proportional to 1,877,688,500.76, 2,591,080,511.63 and 1,042,247,305.53 is: 1,438,229,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,688,500.76 : 2,591,080,511.63 = 1,042,247,305.53 : x
  2. Step 2: Convert to fraction form
    1,877,688,500.76/2,591,080,511.63 = 1,042,247,305.53/x
  3. Step 3: Cross multiply
    1,877,688,500.76x = 2,591,080,511.63 × 1,042,247,305.53
  4. Step 4: Simplify right side
    1,877,688,500.76x = 2,700,546,681,652,449,792
  5. Step 5: Solve for x
    x = 2,700,546,681,652,449,792/1,877,688,500.76
  6. Step 6: Final answer
    x = 1,438,229,333.86

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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.