Home / 374,971,512.48-517,482,018.12-209,957,638.56

Finding the Fourth Proportional to 374,971,512.48, 517,482,018.12 and 209,957,638.56

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Solution

The fourth proportional to 374,971,512.48, 517,482,018.12 and 209,957,638.56 is: 289,753,485.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,971,512.48 : 517,482,018.12 = 209,957,638.56 : x
  2. Step 2: Convert to fraction form
    374,971,512.48/517,482,018.12 = 209,957,638.56/x
  3. Step 3: Cross multiply
    374,971,512.48x = 517,482,018.12 × 209,957,638.56
  4. Step 4: Simplify right side
    374,971,512.48x = 108,649,302,521,738,336
  5. Step 5: Solve for x
    x = 108,649,302,521,738,336/374,971,512.48
  6. Step 6: Final answer
    x = 289,753,485.01

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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.