Home / 266,517,475,665.30-399,762,133,616.21-87,419,871,075.94

Finding the Fourth Proportional to 266,517,475,665.30, 399,762,133,616.21 and 87,419,871,075.94

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Solution

The fourth proportional to 266,517,475,665.30, 399,762,133,616.21 and 87,419,871,075.94 is: 131,125,188,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,517,475,665.30 : 399,762,133,616.21 = 87,419,871,075.94 : x
  2. Step 2: Convert to fraction form
    266,517,475,665.30/399,762,133,616.21 = 87,419,871,075.94/x
  3. Step 3: Cross multiply
    266,517,475,665.30x = 399,762,133,616.21 × 87,419,871,075.94
  4. Step 4: Simplify right side
    266,517,475,665.30x = 34,947,154,181,770,983,768,064
  5. Step 5: Solve for x
    x = 34,947,154,181,770,983,768,064/266,517,475,665.30
  6. Step 6: Final answer
    x = 131,125,188,299.69

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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.