Home / 486,425,656.35-671,315,415.33-277,613,039.61

Finding the Fourth Proportional to 486,425,656.35, 671,315,415.33 and 277,613,039.61

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Solution

The fourth proportional to 486,425,656.35, 671,315,415.33 and 277,613,039.61 is: 383,133,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,425,656.35 : 671,315,415.33 = 277,613,039.61 : x
  2. Step 2: Convert to fraction form
    486,425,656.35/671,315,415.33 = 277,613,039.61/x
  3. Step 3: Cross multiply
    486,425,656.35x = 671,315,415.33 × 277,613,039.61
  4. Step 4: Simplify right side
    486,425,656.35x = 186,365,912,987,851,968
  5. Step 5: Solve for x
    x = 186,365,912,987,851,968/486,425,656.35
  6. Step 6: Final answer
    x = 383,133,394.70

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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.