Home / 1,033,178,788.49-1,548,949,763.59-515,342,678.09

Finding the Fourth Proportional to 1,033,178,788.49, 1,548,949,763.59 and 515,342,678.09

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Solution

The fourth proportional to 1,033,178,788.49, 1,548,949,763.59 and 515,342,678.09 is: 772,605,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033,178,788.49 : 1,548,949,763.59 = 515,342,678.09 : x
  2. Step 2: Convert to fraction form
    1,033,178,788.49/1,548,949,763.59 = 515,342,678.09/x
  3. Step 3: Cross multiply
    1,033,178,788.49x = 1,548,949,763.59 × 515,342,678.09
  4. Step 4: Simplify right side
    1,033,178,788.49x = 798,239,919,386,309,888
  5. Step 5: Solve for x
    x = 798,239,919,386,309,888/1,033,178,788.49
  6. Step 6: Final answer
    x = 772,605,795.13

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Double scale
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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.