Home / 862,455,263.32-1,191,170,022.91-579,706,816.25

Finding the Fourth Proportional to 862,455,263.32, 1,191,170,022.91 and 579,706,816.25

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Solution

The fourth proportional to 862,455,263.32, 1,191,170,022.91 and 579,706,816.25 is: 800,655,304.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,455,263.32 : 1,191,170,022.91 = 579,706,816.25 : x
  2. Step 2: Convert to fraction form
    862,455,263.32/1,191,170,022.91 = 579,706,816.25/x
  3. Step 3: Cross multiply
    862,455,263.32x = 1,191,170,022.91 × 579,706,816.25
  4. Step 4: Simplify right side
    862,455,263.32x = 690,529,381,593,595,648
  5. Step 5: Solve for x
    x = 690,529,381,593,595,648/862,455,263.32
  6. Step 6: Final answer
    x = 800,655,304.64

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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.