Home / 1,329,696,078.40-1,994,544,117.60-717,476,046.40

Finding the Fourth Proportional to 1,329,696,078.40, 1,994,544,117.60 and 717,476,046.40

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Solution

The fourth proportional to 1,329,696,078.40, 1,994,544,117.60 and 717,476,046.40 is: 1,076,214,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,696,078.40 : 1,994,544,117.60 = 717,476,046.40 : x
  2. Step 2: Convert to fraction form
    1,329,696,078.40/1,994,544,117.60 = 717,476,046.40/x
  3. Step 3: Cross multiply
    1,329,696,078.40x = 1,994,544,117.60 × 717,476,046.40
  4. Step 4: Simplify right side
    1,329,696,078.40x = 1,431,037,627,866,024,448
  5. Step 5: Solve for x
    x = 1,431,037,627,866,024,448/1,329,696,078.40
  6. Step 6: Final answer
    x = 1,076,214,069.60

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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.