Home / 1,329,696,578.40-1,994,544,867.60-805,908,328.80

Finding the Fourth Proportional to 1,329,696,578.40, 1,994,544,867.60 and 805,908,328.80

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Solution

The fourth proportional to 1,329,696,578.40, 1,994,544,867.60 and 805,908,328.80 is: 1,208,862,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,696,578.40 : 1,994,544,867.60 = 805,908,328.80 : x
  2. Step 2: Convert to fraction form
    1,329,696,578.40/1,994,544,867.60 = 805,908,328.80/x
  3. Step 3: Cross multiply
    1,329,696,578.40x = 1,994,544,867.60 × 805,908,328.80
  4. Step 4: Simplify right side
    1,329,696,578.40x = 1,607,420,320,964,133,120
  5. Step 5: Solve for x
    x = 1,607,420,320,964,133,120/1,329,696,578.40
  6. Step 6: Final answer
    x = 1,208,862,493.20

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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.