Home / 1,245,592,311.30-1,867,113,008.55-727,756,200.90

Finding the Fourth Proportional to 1,245,592,311.30, 1,867,113,008.55 and 727,756,200.90

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Solution

The fourth proportional to 1,245,592,311.30, 1,867,113,008.55 and 727,756,200.90 is: 1,090,889,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,592,311.30 : 1,867,113,008.55 = 727,756,200.90 : x
  2. Step 2: Convert to fraction form
    1,245,592,311.30/1,867,113,008.55 = 727,756,200.90/x
  3. Step 3: Cross multiply
    1,245,592,311.30x = 1,867,113,008.55 × 727,756,200.90
  4. Step 4: Simplify right side
    1,245,592,311.30x = 1,358,803,069,753,317,120
  5. Step 5: Solve for x
    x = 1,358,803,069,753,317,120/1,245,592,311.30
  6. Step 6: Final answer
    x = 1,090,889,095.43

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1.5x scale

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.