Home / 1,026,432,499.20-1,539,648,748.80-481,229,145.60

Finding the Fourth Proportional to 1,026,432,499.20, 1,539,648,748.80 and 481,229,145.60

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Solution

The fourth proportional to 1,026,432,499.20, 1,539,648,748.80 and 481,229,145.60 is: 721,843,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,432,499.20 : 1,539,648,748.80 = 481,229,145.60 : x
  2. Step 2: Convert to fraction form
    1,026,432,499.20/1,539,648,748.80 = 481,229,145.60/x
  3. Step 3: Cross multiply
    1,026,432,499.20x = 1,539,648,748.80 × 481,229,145.60
  4. Step 4: Simplify right side
    1,026,432,499.20x = 740,923,851,909,133,056
  5. Step 5: Solve for x
    x = 740,923,851,909,133,056/1,026,432,499.20
  6. Step 6: Final answer
    x = 721,843,718.40

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Double scale
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Similar ratio
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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.