Home / 489,908,000.72-734,606,836.50-231,053,718.44

Finding the Fourth Proportional to 489,908,000.72, 734,606,836.50 and 231,053,718.44

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Solution

The fourth proportional to 489,908,000.72, 734,606,836.50 and 231,053,718.44 is: 346,460,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,908,000.72 : 734,606,836.50 = 231,053,718.44 : x
  2. Step 2: Convert to fraction form
    489,908,000.72/734,606,836.50 = 231,053,718.44/x
  3. Step 3: Cross multiply
    489,908,000.72x = 734,606,836.50 × 231,053,718.44
  4. Step 4: Simplify right side
    489,908,000.72x = 169,733,641,164,770,112
  5. Step 5: Solve for x
    x = 169,733,641,164,770,112/489,908,000.72
  6. Step 6: Final answer
    x = 346,460,235.22

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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.