Home / 5,130,597,439.87-7,080,516,219.15-2,872,517,211.07

Finding the Fourth Proportional to 5,130,597,439.87, 7,080,516,219.15 and 2,872,517,211.07

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Solution

The fourth proportional to 5,130,597,439.87, 7,080,516,219.15 and 2,872,517,211.07 is: 3,964,237,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130,597,439.87 : 7,080,516,219.15 = 2,872,517,211.07 : x
  2. Step 2: Convert to fraction form
    5,130,597,439.87/7,080,516,219.15 = 2,872,517,211.07/x
  3. Step 3: Cross multiply
    5,130,597,439.87x = 7,080,516,219.15 × 2,872,517,211.07
  4. Step 4: Simplify right side
    5,130,597,439.87x = 20,338,904,702,768,660,480
  5. Step 5: Solve for x
    x = 20,338,904,702,768,660,480/5,130,597,439.87
  6. Step 6: Final answer
    x = 3,964,237,097.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.