Home / 489,120,653.52-674,989,437.22-266,103,934.96

Finding the Fourth Proportional to 489,120,653.52, 674,989,437.22 and 266,103,934.96

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Solution

The fourth proportional to 489,120,653.52, 674,989,437.22 and 266,103,934.96 is: 367,225,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,120,653.52 : 674,989,437.22 = 266,103,934.96 : x
  2. Step 2: Convert to fraction form
    489,120,653.52/674,989,437.22 = 266,103,934.96/x
  3. Step 3: Cross multiply
    489,120,653.52x = 674,989,437.22 × 266,103,934.96
  4. Step 4: Simplify right side
    489,120,653.52x = 179,617,345,300,677,888
  5. Step 5: Solve for x
    x = 179,617,345,300,677,888/489,120,653.52
  6. Step 6: Final answer
    x = 367,225,027.22

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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.