Home / 1,179,887,628.60-1,769,831,442.90-743,680,855.80

Finding the Fourth Proportional to 1,179,887,628.60, 1,769,831,442.90 and 743,680,855.80

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Solution

The fourth proportional to 1,179,887,628.60, 1,769,831,442.90 and 743,680,855.80 is: 1,115,521,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,887,628.60 : 1,769,831,442.90 = 743,680,855.80 : x
  2. Step 2: Convert to fraction form
    1,179,887,628.60/1,769,831,442.90 = 743,680,855.80/x
  3. Step 3: Cross multiply
    1,179,887,628.60x = 1,769,831,442.90 × 743,680,855.80
  4. Step 4: Simplify right side
    1,179,887,628.60x = 1,316,189,762,077,620,736
  5. Step 5: Solve for x
    x = 1,316,189,762,077,620,736/1,179,887,628.60
  6. Step 6: Final answer
    x = 1,115,521,283.70

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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.