Home / 871,439,396.69-1,202,611,571.24-474,988,064.42

Finding the Fourth Proportional to 871,439,396.69, 1,202,611,571.24 and 474,988,064.42

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Solution

The fourth proportional to 871,439,396.69, 1,202,611,571.24 and 474,988,064.42 is: 655,497,266.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,439,396.69 : 1,202,611,571.24 = 474,988,064.42 : x
  2. Step 2: Convert to fraction form
    871,439,396.69/1,202,611,571.24 = 474,988,064.42/x
  3. Step 3: Cross multiply
    871,439,396.69x = 1,202,611,571.24 × 474,988,064.42
  4. Step 4: Simplify right side
    871,439,396.69x = 571,226,142,463,994,496
  5. Step 5: Solve for x
    x = 571,226,142,463,994,496/871,439,396.69
  6. Step 6: Final answer
    x = 655,497,266.52

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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.