Home / 515,722,469.40-771,883,092.90-362,667,461.40

Finding the Fourth Proportional to 515,722,469.40, 771,883,092.90 and 362,667,461.40

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Solution

The fourth proportional to 515,722,469.40, 771,883,092.90 and 362,667,461.40 is: 542,805,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,722,469.40 : 771,883,092.90 = 362,667,461.40 : x
  2. Step 2: Convert to fraction form
    515,722,469.40/771,883,092.90 = 362,667,461.40/x
  3. Step 3: Cross multiply
    515,722,469.40x = 771,883,092.90 × 362,667,461.40
  4. Step 4: Simplify right side
    515,722,469.40x = 279,936,881,799,623,328
  5. Step 5: Solve for x
    x = 279,936,881,799,623,328/515,722,469.40
  6. Step 6: Final answer
    x = 542,805,284.64

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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.