Home / 1,540,351,539.93-2,309,938,330.55-840,469,592.80

Finding the Fourth Proportional to 1,540,351,539.93, 2,309,938,330.55 and 840,469,592.80

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Solution

The fourth proportional to 1,540,351,539.93, 2,309,938,330.55 and 840,469,592.80 is: 1,260,383,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,351,539.93 : 2,309,938,330.55 = 840,469,592.80 : x
  2. Step 2: Convert to fraction form
    1,540,351,539.93/2,309,938,330.55 = 840,469,592.80/x
  3. Step 3: Cross multiply
    1,540,351,539.93x = 2,309,938,330.55 × 840,469,592.80
  4. Step 4: Simplify right side
    1,540,351,539.93x = 1,941,432,928,070,470,400
  5. Step 5: Solve for x
    x = 1,941,432,928,070,470,400/1,540,351,539.93
  6. Step 6: Final answer
    x = 1,260,383,021.50

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Double scale
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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.