Home / 489,928,998.60-734,893,497.90-334,732,480.20

Finding the Fourth Proportional to 489,928,998.60, 734,893,497.90 and 334,732,480.20

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Solution

The fourth proportional to 489,928,998.60, 734,893,497.90 and 334,732,480.20 is: 502,098,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,928,998.60 : 734,893,497.90 = 334,732,480.20 : x
  2. Step 2: Convert to fraction form
    489,928,998.60/734,893,497.90 = 334,732,480.20/x
  3. Step 3: Cross multiply
    489,928,998.60x = 734,893,497.90 × 334,732,480.20
  4. Step 4: Simplify right side
    489,928,998.60x = 245,992,723,234,920,480
  5. Step 5: Solve for x
    x = 245,992,723,234,920,480/489,928,998.60
  6. Step 6: Final answer
    x = 502,098,720.30

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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.