Home / 1,380,078,724.04-2,070,764,534.22-680,189,324.48

Finding the Fourth Proportional to 1,380,078,724.04, 2,070,764,534.22 and 680,189,324.48

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Solution

The fourth proportional to 1,380,078,724.04, 2,070,764,534.22 and 680,189,324.48 is: 1,020,602,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,078,724.04 : 2,070,764,534.22 = 680,189,324.48 : x
  2. Step 2: Convert to fraction form
    1,380,078,724.04/2,070,764,534.22 = 680,189,324.48/x
  3. Step 3: Cross multiply
    1,380,078,724.04x = 2,070,764,534.22 × 680,189,324.48
  4. Step 4: Simplify right side
    1,380,078,724.04x = 1,408,511,929,688,243,712
  5. Step 5: Solve for x
    x = 1,408,511,929,688,243,712/1,380,078,724.04
  6. Step 6: Final answer
    x = 1,020,602,596.90

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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.