Home / 639,593,164.12-959,389,625.14-348,704,901.40

Finding the Fourth Proportional to 639,593,164.12, 959,389,625.14 and 348,704,901.40

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Solution

The fourth proportional to 639,593,164.12, 959,389,625.14 and 348,704,901.40 is: 523,057,286.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,593,164.12 : 959,389,625.14 = 348,704,901.40 : x
  2. Step 2: Convert to fraction form
    639,593,164.12/959,389,625.14 = 348,704,901.40/x
  3. Step 3: Cross multiply
    639,593,164.12x = 959,389,625.14 × 348,704,901.40
  4. Step 4: Simplify right side
    639,593,164.12x = 334,543,864,638,626,624
  5. Step 5: Solve for x
    x = 334,543,864,638,626,624/639,593,164.12
  6. Step 6: Final answer
    x = 523,057,286.11

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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.