Home / 465,264,005.40-697,896,008.10-419,914,373.40

Finding the Fourth Proportional to 465,264,005.40, 697,896,008.10 and 419,914,373.40

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Solution

The fourth proportional to 465,264,005.40, 697,896,008.10 and 419,914,373.40 is: 629,871,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,264,005.40 : 697,896,008.10 = 419,914,373.40 : x
  2. Step 2: Convert to fraction form
    465,264,005.40/697,896,008.10 = 419,914,373.40/x
  3. Step 3: Cross multiply
    465,264,005.40x = 697,896,008.10 × 419,914,373.40
  4. Step 4: Simplify right side
    465,264,005.40x = 293,056,564,939,672,832
  5. Step 5: Solve for x
    x = 293,056,564,939,672,832/465,264,005.40
  6. Step 6: Final answer
    x = 629,871,560.10

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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.