Home / 896,288,026.60-1,344,432,039.90-620,789,012.20

Finding the Fourth Proportional to 896,288,026.60, 1,344,432,039.90 and 620,789,012.20

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Solution

The fourth proportional to 896,288,026.60, 1,344,432,039.90 and 620,789,012.20 is: 931,183,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,288,026.60 : 1,344,432,039.90 = 620,789,012.20 : x
  2. Step 2: Convert to fraction form
    896,288,026.60/1,344,432,039.90 = 620,789,012.20/x
  3. Step 3: Cross multiply
    896,288,026.60x = 1,344,432,039.90 × 620,789,012.20
  4. Step 4: Simplify right side
    896,288,026.60x = 834,608,638,019,552,128
  5. Step 5: Solve for x
    x = 834,608,638,019,552,128/896,288,026.60
  6. Step 6: Final answer
    x = 931,183,518.30

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Double scale
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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.