Home / 465,971,293.34-643,054,050.99-254,291,791.49

Finding the Fourth Proportional to 465,971,293.34, 643,054,050.99 and 254,291,791.49

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Solution

The fourth proportional to 465,971,293.34, 643,054,050.99 and 254,291,791.49 is: 350,930,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,971,293.34 : 643,054,050.99 = 254,291,791.49 : x
  2. Step 2: Convert to fraction form
    465,971,293.34/643,054,050.99 = 254,291,791.49/x
  3. Step 3: Cross multiply
    465,971,293.34x = 643,054,050.99 × 254,291,791.49
  4. Step 4: Simplify right side
    465,971,293.34x = 163,523,366,651,148,928
  5. Step 5: Solve for x
    x = 163,523,366,651,148,928/465,971,293.34
  6. Step 6: Final answer
    x = 350,930,130.22

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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.