Home / 1,189,472,486,727.90-1,784,206,502,967.80-372,707,760,549.08

Finding the Fourth Proportional to 1,189,472,486,727.90, 1,784,206,502,967.80 and 372,707,760,549.08

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Solution

The fourth proportional to 1,189,472,486,727.90, 1,784,206,502,967.80 and 372,707,760,549.08 is: 559,060,942,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,472,486,727.90 : 1,784,206,502,967.80 = 372,707,760,549.08 : x
  2. Step 2: Convert to fraction form
    1,189,472,486,727.90/1,784,206,502,967.80 = 372,707,760,549.08/x
  3. Step 3: Cross multiply
    1,189,472,486,727.90x = 1,784,206,502,967.80 × 372,707,760,549.08
  4. Step 4: Simplify right side
    1,189,472,486,727.90x = 664,987,610,078,234,196,049,920
  5. Step 5: Solve for x
    x = 664,987,610,078,234,196,049,920/1,189,472,486,727.90
  6. Step 6: Final answer
    x = 559,060,942,979.47

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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.