Home / 1,818,857,797.40-2,728,286,696.10-654,364,278.20

Finding the Fourth Proportional to 1,818,857,797.40, 2,728,286,696.10 and 654,364,278.20

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Solution

The fourth proportional to 1,818,857,797.40, 2,728,286,696.10 and 654,364,278.20 is: 981,546,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,857,797.40 : 2,728,286,696.10 = 654,364,278.20 : x
  2. Step 2: Convert to fraction form
    1,818,857,797.40/2,728,286,696.10 = 654,364,278.20/x
  3. Step 3: Cross multiply
    1,818,857,797.40x = 2,728,286,696.10 × 654,364,278.20
  4. Step 4: Simplify right side
    1,818,857,797.40x = 1,785,293,354,616,139,264
  5. Step 5: Solve for x
    x = 1,785,293,354,616,139,264/1,818,857,797.40
  6. Step 6: Final answer
    x = 981,546,417.30

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Half scale
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Double scale
Find fourth proportional to 1,818,857,798.40, 2,728,286,697.60 and 654,364,279.20
Similar ratio
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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.