Home / 1,280,842,764,388.60-1,767,595,536,697.20-702,779,129,965.15

Finding the Fourth Proportional to 1,280,842,764,388.60, 1,767,595,536,697.20 and 702,779,129,965.15

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Solution

The fourth proportional to 1,280,842,764,388.60, 1,767,595,536,697.20 and 702,779,129,965.15 is: 969,853,043,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,842,764,388.60 : 1,767,595,536,697.20 = 702,779,129,965.15 : x
  2. Step 2: Convert to fraction form
    1,280,842,764,388.60/1,767,595,536,697.20 = 702,779,129,965.15/x
  3. Step 3: Cross multiply
    1,280,842,764,388.60x = 1,767,595,536,697.20 × 702,779,129,965.15
  4. Step 4: Simplify right side
    1,280,842,764,388.60x = 1,242,229,253,410,340,489,658,368
  5. Step 5: Solve for x
    x = 1,242,229,253,410,340,489,658,368/1,280,842,764,388.60
  6. Step 6: Final answer
    x = 969,853,043,596.11

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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.