Home / 639,576,016.10-959,364,024.15-536,263,885.70

Finding the Fourth Proportional to 639,576,016.10, 959,364,024.15 and 536,263,885.70

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Solution

The fourth proportional to 639,576,016.10, 959,364,024.15 and 536,263,885.70 is: 804,395,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,576,016.10 : 959,364,024.15 = 536,263,885.70 : x
  2. Step 2: Convert to fraction form
    639,576,016.10/959,364,024.15 = 536,263,885.70/x
  3. Step 3: Cross multiply
    639,576,016.10x = 959,364,024.15 × 536,263,885.70
  4. Step 4: Simplify right side
    639,576,016.10x = 514,472,279,391,467,584
  5. Step 5: Solve for x
    x = 514,472,279,391,467,584/639,576,016.10
  6. Step 6: Final answer
    x = 804,395,828.55

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Double scale
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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.