Home / 927,996,220.21-1,280,641,445.90-504,606,847.52

Finding the Fourth Proportional to 927,996,220.21, 1,280,641,445.90 and 504,606,847.52

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Solution

The fourth proportional to 927,996,220.21, 1,280,641,445.90 and 504,606,847.52 is: 696,361,072.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,996,220.21 : 1,280,641,445.90 = 504,606,847.52 : x
  2. Step 2: Convert to fraction form
    927,996,220.21/1,280,641,445.90 = 504,606,847.52/x
  3. Step 3: Cross multiply
    927,996,220.21x = 1,280,641,445.90 × 504,606,847.52
  4. Step 4: Simplify right side
    927,996,220.21x = 646,220,442,817,278,336
  5. Step 5: Solve for x
    x = 646,220,442,817,278,336/927,996,220.21
  6. Step 6: Final answer
    x = 696,361,072.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.