Home / 843,669,376.20-1,265,504,064.30-230,315,603.40

Finding the Fourth Proportional to 843,669,376.20, 1,265,504,064.30 and 230,315,603.40

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Solution

The fourth proportional to 843,669,376.20, 1,265,504,064.30 and 230,315,603.40 is: 345,473,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,669,376.20 : 1,265,504,064.30 = 230,315,603.40 : x
  2. Step 2: Convert to fraction form
    843,669,376.20/1,265,504,064.30 = 230,315,603.40/x
  3. Step 3: Cross multiply
    843,669,376.20x = 1,265,504,064.30 × 230,315,603.40
  4. Step 4: Simplify right side
    843,669,376.20x = 291,465,332,174,406,912
  5. Step 5: Solve for x
    x = 291,465,332,174,406,912/843,669,376.20
  6. Step 6: Final answer
    x = 345,473,405.10

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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.