Home / 418,699,475.34-628,117,434.99-123,624,422.67

Finding the Fourth Proportional to 418,699,475.34, 628,117,434.99 and 123,624,422.67

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Solution

The fourth proportional to 418,699,475.34, 628,117,434.99 and 123,624,422.67 is: 185,456,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,699,475.34 : 628,117,434.99 = 123,624,422.67 : x
  2. Step 2: Convert to fraction form
    418,699,475.34/628,117,434.99 = 123,624,422.67/x
  3. Step 3: Cross multiply
    418,699,475.34x = 628,117,434.99 × 123,624,422.67
  4. Step 4: Simplify right side
    418,699,475.34x = 77,650,655,269,600,016
  5. Step 5: Solve for x
    x = 77,650,655,269,600,016/418,699,475.34
  6. Step 6: Final answer
    x = 185,456,777.10

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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.