Home / 543,473,847.72-749,894,282.22-320,525,294.04

Finding the Fourth Proportional to 543,473,847.72, 749,894,282.22 and 320,525,294.04

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Solution

The fourth proportional to 543,473,847.72, 749,894,282.22 and 320,525,294.04 is: 442,266,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,473,847.72 : 749,894,282.22 = 320,525,294.04 : x
  2. Step 2: Convert to fraction form
    543,473,847.72/749,894,282.22 = 320,525,294.04/x
  3. Step 3: Cross multiply
    543,473,847.72x = 749,894,282.22 × 320,525,294.04
  4. Step 4: Simplify right side
    543,473,847.72x = 240,360,085,307,480,256
  5. Step 5: Solve for x
    x = 240,360,085,307,480,256/543,473,847.72
  6. Step 6: Final answer
    x = 442,266,148.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.