Home / 1,448,154,057.90-2,172,231,086.85-867,678,768.30

Finding the Fourth Proportional to 1,448,154,057.90, 2,172,231,086.85 and 867,678,768.30

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Solution

The fourth proportional to 1,448,154,057.90, 2,172,231,086.85 and 867,678,768.30 is: 1,301,518,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,154,057.90 : 2,172,231,086.85 = 867,678,768.30 : x
  2. Step 2: Convert to fraction form
    1,448,154,057.90/2,172,231,086.85 = 867,678,768.30/x
  3. Step 3: Cross multiply
    1,448,154,057.90x = 2,172,231,086.85 × 867,678,768.30
  4. Step 4: Simplify right side
    1,448,154,057.90x = 1,884,798,793,900,978,176
  5. Step 5: Solve for x
    x = 1,884,798,793,900,978,176/1,448,154,057.90
  6. Step 6: Final answer
    x = 1,301,518,152.45

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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.