Home / 283,440,012.20-425,160,018.30-214,911,679.40

Finding the Fourth Proportional to 283,440,012.20, 425,160,018.30 and 214,911,679.40

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Solution

The fourth proportional to 283,440,012.20, 425,160,018.30 and 214,911,679.40 is: 322,367,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,440,012.20 : 425,160,018.30 = 214,911,679.40 : x
  2. Step 2: Convert to fraction form
    283,440,012.20/425,160,018.30 = 214,911,679.40/x
  3. Step 3: Cross multiply
    283,440,012.20x = 425,160,018.30 × 214,911,679.40
  4. Step 4: Simplify right side
    283,440,012.20x = 91,371,853,546,587,744
  5. Step 5: Solve for x
    x = 91,371,853,546,587,744/283,440,012.20
  6. Step 6: Final answer
    x = 322,367,519.10

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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.