Home / 896,288,027.60-1,344,432,041.40-620,789,013.20

Finding the Fourth Proportional to 896,288,027.60, 1,344,432,041.40 and 620,789,013.20

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Solution

The fourth proportional to 896,288,027.60, 1,344,432,041.40 and 620,789,013.20 is: 931,183,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,288,027.60 : 1,344,432,041.40 = 620,789,013.20 : x
  2. Step 2: Convert to fraction form
    896,288,027.60/1,344,432,041.40 = 620,789,013.20/x
  3. Step 3: Cross multiply
    896,288,027.60x = 1,344,432,041.40 × 620,789,013.20
  4. Step 4: Simplify right side
    896,288,027.60x = 834,608,640,295,167,616
  5. Step 5: Solve for x
    x = 834,608,640,295,167,616/896,288,027.60
  6. Step 6: Final answer
    x = 931,183,519.80

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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.