Home / 1,329,696,081.60-1,994,544,122.40-885,836,558.40

Finding the Fourth Proportional to 1,329,696,081.60, 1,994,544,122.40 and 885,836,558.40

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Solution

The fourth proportional to 1,329,696,081.60, 1,994,544,122.40 and 885,836,558.40 is: 1,328,754,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,696,081.60 : 1,994,544,122.40 = 885,836,558.40 : x
  2. Step 2: Convert to fraction form
    1,329,696,081.60/1,994,544,122.40 = 885,836,558.40/x
  3. Step 3: Cross multiply
    1,329,696,081.60x = 1,994,544,122.40 × 885,836,558.40
  4. Step 4: Simplify right side
    1,329,696,081.60x = 1,766,840,100,963,764,480
  5. Step 5: Solve for x
    x = 1,766,840,100,963,764,480/1,329,696,081.60
  6. Step 6: Final answer
    x = 1,328,754,837.60

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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.