Home / 1,560,047,869.20-2,340,071,803.80-640,584,080.40

Finding the Fourth Proportional to 1,560,047,869.20, 2,340,071,803.80 and 640,584,080.40

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Solution

The fourth proportional to 1,560,047,869.20, 2,340,071,803.80 and 640,584,080.40 is: 960,876,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,047,869.20 : 2,340,071,803.80 = 640,584,080.40 : x
  2. Step 2: Convert to fraction form
    1,560,047,869.20/2,340,071,803.80 = 640,584,080.40/x
  3. Step 3: Cross multiply
    1,560,047,869.20x = 2,340,071,803.80 × 640,584,080.40
  4. Step 4: Simplify right side
    1,560,047,869.20x = 1,499,012,744,507,192,320
  5. Step 5: Solve for x
    x = 1,499,012,744,507,192,320/1,560,047,869.20
  6. Step 6: Final answer
    x = 960,876,120.60

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Double scale
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Similar ratio
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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.