Home / 605,078,781.98-907,882,170.36-211,887,814.20

Finding the Fourth Proportional to 605,078,781.98, 907,882,170.36 and 211,887,814.20

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Solution

The fourth proportional to 605,078,781.98, 907,882,170.36 and 211,887,814.20 is: 317,924,168.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,078,781.98 : 907,882,170.36 = 211,887,814.20 : x
  2. Step 2: Convert to fraction form
    605,078,781.98/907,882,170.36 = 211,887,814.20/x
  3. Step 3: Cross multiply
    605,078,781.98x = 907,882,170.36 × 211,887,814.20
  4. Step 4: Simplify right side
    605,078,781.98x = 192,369,168,628,732,416
  5. Step 5: Solve for x
    x = 192,369,168,628,732,416/605,078,781.98
  6. Step 6: Final answer
    x = 317,924,168.48

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1.5x scale

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.