Home / 463,871,490.72-696,311,416.11-187,712,833.38

Finding the Fourth Proportional to 463,871,490.72, 696,311,416.11 and 187,712,833.38

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Solution

The fourth proportional to 463,871,490.72, 696,311,416.11 and 187,712,833.38 is: 281,773,274.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,871,490.72 : 696,311,416.11 = 187,712,833.38 : x
  2. Step 2: Convert to fraction form
    463,871,490.72/696,311,416.11 = 187,712,833.38/x
  3. Step 3: Cross multiply
    463,871,490.72x = 696,311,416.11 × 187,712,833.38
  4. Step 4: Simplify right side
    463,871,490.72x = 130,706,588,832,848,272
  5. Step 5: Solve for x
    x = 130,706,588,832,848,272/463,871,490.72
  6. Step 6: Final answer
    x = 281,773,274.38

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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.