Home / 1,021,929,193.80-1,532,871,658.26-284,979,434.22

Finding the Fourth Proportional to 1,021,929,193.80, 1,532,871,658.26 and 284,979,434.22

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Solution

The fourth proportional to 1,021,929,193.80, 1,532,871,658.26 and 284,979,434.22 is: 427,462,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,929,193.80 : 1,532,871,658.26 = 284,979,434.22 : x
  2. Step 2: Convert to fraction form
    1,021,929,193.80/1,532,871,658.26 = 284,979,434.22/x
  3. Step 3: Cross multiply
    1,021,929,193.80x = 1,532,871,658.26 × 284,979,434.22
  4. Step 4: Simplify right side
    1,021,929,193.80x = 436,836,897,902,808,000
  5. Step 5: Solve for x
    x = 436,836,897,902,808,000/1,021,929,193.80
  6. Step 6: Final answer
    x = 427,462,979.39

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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.