Home / 1,413,285,578.02-1,950,348,530.68-778,265,121.72

Finding the Fourth Proportional to 1,413,285,578.02, 1,950,348,530.68 and 778,265,121.72

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Solution

The fourth proportional to 1,413,285,578.02, 1,950,348,530.68 and 778,265,121.72 is: 1,074,013,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,285,578.02 : 1,950,348,530.68 = 778,265,121.72 : x
  2. Step 2: Convert to fraction form
    1,413,285,578.02/1,950,348,530.68 = 778,265,121.72/x
  3. Step 3: Cross multiply
    1,413,285,578.02x = 1,950,348,530.68 × 778,265,121.72
  4. Step 4: Simplify right side
    1,413,285,578.02x = 1,517,888,236,626,093,568
  5. Step 5: Solve for x
    x = 1,517,888,236,626,093,568/1,413,285,578.02
  6. Step 6: Final answer
    x = 1,074,013,815.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.