Home / 497,828,837.32-687,003,920.02-274,810,648.52

Finding the Fourth Proportional to 497,828,837.32, 687,003,920.02 and 274,810,648.52

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Solution

The fourth proportional to 497,828,837.32, 687,003,920.02 and 274,810,648.52 is: 379,238,763.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,828,837.32 : 687,003,920.02 = 274,810,648.52 : x
  2. Step 2: Convert to fraction form
    497,828,837.32/687,003,920.02 = 274,810,648.52/x
  3. Step 3: Cross multiply
    497,828,837.32x = 687,003,920.02 × 274,810,648.52
  4. Step 4: Simplify right side
    497,828,837.32x = 188,795,992,796,478,400
  5. Step 5: Solve for x
    x = 188,795,992,796,478,400/497,828,837.32
  6. Step 6: Final answer
    x = 379,238,763.69

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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.