Home / 1,686,416,289.59-2,327,327,205.30-933,729,479.43

Finding the Fourth Proportional to 1,686,416,289.59, 2,327,327,205.30 and 933,729,479.43

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Solution

The fourth proportional to 1,686,416,289.59, 2,327,327,205.30 and 933,729,479.43 is: 1,288,586,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,416,289.59 : 2,327,327,205.30 = 933,729,479.43 : x
  2. Step 2: Convert to fraction form
    1,686,416,289.59/2,327,327,205.30 = 933,729,479.43/x
  3. Step 3: Cross multiply
    1,686,416,289.59x = 2,327,327,205.30 × 933,729,479.43
  4. Step 4: Simplify right side
    1,686,416,289.59x = 2,173,094,019,868,045,824
  5. Step 5: Solve for x
    x = 2,173,094,019,868,045,824/1,686,416,289.59
  6. Step 6: Final answer
    x = 1,288,586,948.13

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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.