Home / 905,365,268.20-1,358,047,902.30-851,796,015.40

Finding the Fourth Proportional to 905,365,268.20, 1,358,047,902.30 and 851,796,015.40

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Solution

The fourth proportional to 905,365,268.20, 1,358,047,902.30 and 851,796,015.40 is: 1,277,694,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,365,268.20 : 1,358,047,902.30 = 851,796,015.40 : x
  2. Step 2: Convert to fraction form
    905,365,268.20/1,358,047,902.30 = 851,796,015.40/x
  3. Step 3: Cross multiply
    905,365,268.20x = 1,358,047,902.30 × 851,796,015.40
  4. Step 4: Simplify right side
    905,365,268.20x = 1,156,779,791,901,468,416
  5. Step 5: Solve for x
    x = 1,156,779,791,901,468,416/905,365,268.20
  6. Step 6: Final answer
    x = 1,277,694,023.10

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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.