Home / 579,862,499.22-800,210,379.42-319,102,115.22

Finding the Fourth Proportional to 579,862,499.22, 800,210,379.42 and 319,102,115.22

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Solution

The fourth proportional to 579,862,499.22, 800,210,379.42 and 319,102,115.22 is: 440,360,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,862,499.22 : 800,210,379.42 = 319,102,115.22 : x
  2. Step 2: Convert to fraction form
    579,862,499.22/800,210,379.42 = 319,102,115.22/x
  3. Step 3: Cross multiply
    579,862,499.22x = 800,210,379.42 × 319,102,115.22
  4. Step 4: Simplify right side
    579,862,499.22x = 255,348,824,693,920,768
  5. Step 5: Solve for x
    x = 255,348,824,693,920,768/579,862,499.22
  6. Step 6: Final answer
    x = 440,360,990.82

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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.