Home / 1,668,003,062.92-2,301,879,392.47-915,309,654.56

Finding the Fourth Proportional to 1,668,003,062.92, 2,301,879,392.47 and 915,309,654.56

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Solution

The fourth proportional to 1,668,003,062.92, 2,301,879,392.47 and 915,309,654.56 is: 1,263,146,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,003,062.92 : 2,301,879,392.47 = 915,309,654.56 : x
  2. Step 2: Convert to fraction form
    1,668,003,062.92/2,301,879,392.47 = 915,309,654.56/x
  3. Step 3: Cross multiply
    1,668,003,062.92x = 2,301,879,392.47 × 915,309,654.56
  4. Step 4: Simplify right side
    1,668,003,062.92x = 2,106,932,431,546,700,800
  5. Step 5: Solve for x
    x = 2,106,932,431,546,700,800/1,668,003,062.92
  6. Step 6: Final answer
    x = 1,263,146,620.28

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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.