Home / 1,999,687,286.40-2,999,530,929.60-707,222,774.40

Finding the Fourth Proportional to 1,999,687,286.40, 2,999,530,929.60 and 707,222,774.40

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Solution

The fourth proportional to 1,999,687,286.40, 2,999,530,929.60 and 707,222,774.40 is: 1,060,834,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,687,286.40 : 2,999,530,929.60 = 707,222,774.40 : x
  2. Step 2: Convert to fraction form
    1,999,687,286.40/2,999,530,929.60 = 707,222,774.40/x
  3. Step 3: Cross multiply
    1,999,687,286.40x = 2,999,530,929.60 × 707,222,774.40
  4. Step 4: Simplify right side
    1,999,687,286.40x = 2,121,336,585,930,322,944
  5. Step 5: Solve for x
    x = 2,121,336,585,930,322,944/1,999,687,286.40
  6. Step 6: Final answer
    x = 1,060,834,161.60

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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.