Home / 1,560,048,140.20-2,340,072,210.30-640,584,351.40

Finding the Fourth Proportional to 1,560,048,140.20, 2,340,072,210.30 and 640,584,351.40

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Solution

The fourth proportional to 1,560,048,140.20, 2,340,072,210.30 and 640,584,351.40 is: 960,876,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,048,140.20 : 2,340,072,210.30 = 640,584,351.40 : x
  2. Step 2: Convert to fraction form
    1,560,048,140.20/2,340,072,210.30 = 640,584,351.40/x
  3. Step 3: Cross multiply
    1,560,048,140.20x = 2,340,072,210.30 × 640,584,351.40
  4. Step 4: Simplify right side
    1,560,048,140.20x = 1,499,013,639,064,189,952
  5. Step 5: Solve for x
    x = 1,499,013,639,064,189,952/1,560,048,140.20
  6. Step 6: Final answer
    x = 960,876,527.10

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Double scale
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Similar ratio
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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.