Home / 1,100,721,311.76-1,518,949,565.46-598,932,066

Finding the Fourth Proportional to 1,100,721,311.76, 1,518,949,565.46 and 598,932,066

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Solution

The fourth proportional to 1,100,721,311.76, 1,518,949,565.46 and 598,932,066 is: 826,501,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,721,311.76 : 1,518,949,565.46 = 598,932,066 : x
  2. Step 2: Convert to fraction form
    1,100,721,311.76/1,518,949,565.46 = 598,932,066/x
  3. Step 3: Cross multiply
    1,100,721,311.76x = 1,518,949,565.46 × 598,932,066
  4. Step 4: Simplify right side
    1,100,721,311.76x = 909,747,601,390,760,064
  5. Step 5: Solve for x
    x = 909,747,601,390,760,064/1,100,721,311.76
  6. Step 6: Final answer
    x = 826,501,305.71

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Double scale
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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.