Home / 1,448,154,420.40-2,172,231,630.60-867,679,130.80

Finding the Fourth Proportional to 1,448,154,420.40, 2,172,231,630.60 and 867,679,130.80

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Solution

The fourth proportional to 1,448,154,420.40, 2,172,231,630.60 and 867,679,130.80 is: 1,301,518,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,154,420.40 : 2,172,231,630.60 = 867,679,130.80 : x
  2. Step 2: Convert to fraction form
    1,448,154,420.40/2,172,231,630.60 = 867,679,130.80/x
  3. Step 3: Cross multiply
    1,448,154,420.40x = 2,172,231,630.60 × 867,679,130.80
  4. Step 4: Simplify right side
    1,448,154,420.40x = 1,884,800,053,135,274,496
  5. Step 5: Solve for x
    x = 1,884,800,053,135,274,496/1,448,154,420.40
  6. Step 6: Final answer
    x = 1,301,518,696.20

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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.