Home / 1,055,268,007.20-1,582,902,010.80-779,768,992.80

Finding the Fourth Proportional to 1,055,268,007.20, 1,582,902,010.80 and 779,768,992.80

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Solution

The fourth proportional to 1,055,268,007.20, 1,582,902,010.80 and 779,768,992.80 is: 1,169,653,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,268,007.20 : 1,582,902,010.80 = 779,768,992.80 : x
  2. Step 2: Convert to fraction form
    1,055,268,007.20/1,582,902,010.80 = 779,768,992.80/x
  3. Step 3: Cross multiply
    1,055,268,007.20x = 1,582,902,010.80 × 779,768,992.80
  4. Step 4: Simplify right side
    1,055,268,007.20x = 1,234,297,906,662,610,688
  5. Step 5: Solve for x
    x = 1,234,297,906,662,610,688/1,055,268,007.20
  6. Step 6: Final answer
    x = 1,169,653,489.20

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1.5x scale

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.