Home / 996,198,071.20-1,492,281,567.60-689,836,112.80

Finding the Fourth Proportional to 996,198,071.20, 1,492,281,567.60 and 689,836,112.80

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Solution

The fourth proportional to 996,198,071.20, 1,492,281,567.60 and 689,836,112.80 is: 1,033,358,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,198,071.20 : 1,492,281,567.60 = 689,836,112.80 : x
  2. Step 2: Convert to fraction form
    996,198,071.20/1,492,281,567.60 = 689,836,112.80/x
  3. Step 3: Cross multiply
    996,198,071.20x = 1,492,281,567.60 × 689,836,112.80
  4. Step 4: Simplify right side
    996,198,071.20x = 1,029,429,715,796,274,304
  5. Step 5: Solve for x
    x = 1,029,429,715,796,274,304/996,198,071.20
  6. Step 6: Final answer
    x = 1,033,358,471.13

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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.