Home / 1,407,215,171.29-1,941,150,115.45-877,659,786.29

Finding the Fourth Proportional to 1,407,215,171.29, 1,941,150,115.45 and 877,659,786.29

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Solution

The fourth proportional to 1,407,215,171.29, 1,941,150,115.45 and 877,659,786.29 is: 1,210,667,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,215,171.29 : 1,941,150,115.45 = 877,659,786.29 : x
  2. Step 2: Convert to fraction form
    1,407,215,171.29/1,941,150,115.45 = 877,659,786.29/x
  3. Step 3: Cross multiply
    1,407,215,171.29x = 1,941,150,115.45 × 877,659,786.29
  4. Step 4: Simplify right side
    1,407,215,171.29x = 1,703,669,395,482,655,744
  5. Step 5: Solve for x
    x = 1,703,669,395,482,655,744/1,407,215,171.29
  6. Step 6: Final answer
    x = 1,210,667,302.51

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Double scale
Find fourth proportional to 1,407,215,172.29, 1,941,150,116.83 and 877,659,787.29
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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.