Home / 1,786,540,551.30-2,465,493,981.98-993,643,865.32

Finding the Fourth Proportional to 1,786,540,551.30, 2,465,493,981.98 and 993,643,865.32

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Solution

The fourth proportional to 1,786,540,551.30, 2,465,493,981.98 and 993,643,865.32 is: 1,371,266,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,540,551.30 : 2,465,493,981.98 = 993,643,865.32 : x
  2. Step 2: Convert to fraction form
    1,786,540,551.30/2,465,493,981.98 = 993,643,865.32/x
  3. Step 3: Cross multiply
    1,786,540,551.30x = 2,465,493,981.98 × 993,643,865.32
  4. Step 4: Simplify right side
    1,786,540,551.30x = 2,449,822,970,172,837,376
  5. Step 5: Solve for x
    x = 2,449,822,970,172,837,376/1,786,540,551.30
  6. Step 6: Final answer
    x = 1,371,266,366.38

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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.