Home / 313,965,288-470,911,997.57-83,952,308.79

Finding the Fourth Proportional to 313,965,288, 470,911,997.57 and 83,952,308.79

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Solution

The fourth proportional to 313,965,288, 470,911,997.57 and 83,952,308.79 is: 125,918,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,965,288 : 470,911,997.57 = 83,952,308.79 : x
  2. Step 2: Convert to fraction form
    313,965,288/470,911,997.57 = 83,952,308.79/x
  3. Step 3: Cross multiply
    313,965,288x = 470,911,997.57 × 83,952,308.79
  4. Step 4: Simplify right side
    313,965,288x = 39,534,149,432,492,608
  5. Step 5: Solve for x
    x = 39,534,149,432,492,608/313,965,288
  6. Step 6: Final answer
    x = 125,918,854.55

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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.