Home / 1,614,766,157.28-2,228,378,150.88-872,210,218.56

Finding the Fourth Proportional to 1,614,766,157.28, 2,228,378,150.88 and 872,210,218.56

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Solution

The fourth proportional to 1,614,766,157.28, 2,228,378,150.88 and 872,210,218.56 is: 1,203,650,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614,766,157.28 : 2,228,378,150.88 = 872,210,218.56 : x
  2. Step 2: Convert to fraction form
    1,614,766,157.28/2,228,378,150.88 = 872,210,218.56/x
  3. Step 3: Cross multiply
    1,614,766,157.28x = 2,228,378,150.88 × 872,210,218.56
  4. Step 4: Simplify right side
    1,614,766,157.28x = 1,943,614,194,013,373,440
  5. Step 5: Solve for x
    x = 1,943,614,194,013,373,440/1,614,766,157.28
  6. Step 6: Final answer
    x = 1,203,650,562.81

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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.