Home / 1,130,757,619.30-1,694,876,716.95-440,435,443.30

Finding the Fourth Proportional to 1,130,757,619.30, 1,694,876,716.95 and 440,435,443.30

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Solution

The fourth proportional to 1,130,757,619.30, 1,694,876,716.95 and 440,435,443.30 is: 660,162,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,757,619.30 : 1,694,876,716.95 = 440,435,443.30 : x
  2. Step 2: Convert to fraction form
    1,130,757,619.30/1,694,876,716.95 = 440,435,443.30/x
  3. Step 3: Cross multiply
    1,130,757,619.30x = 1,694,876,716.95 × 440,435,443.30
  4. Step 4: Simplify right side
    1,130,757,619.30x = 746,483,778,168,721,920
  5. Step 5: Solve for x
    x = 746,483,778,168,721,920/1,130,757,619.30
  6. Step 6: Final answer
    x = 660,162,501.17

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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.