Home / 359,221,307.40-538,831,961.10-281,737,209.60

Finding the Fourth Proportional to 359,221,307.40, 538,831,961.10 and 281,737,209.60

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Solution

The fourth proportional to 359,221,307.40, 538,831,961.10 and 281,737,209.60 is: 422,605,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,221,307.40 : 538,831,961.10 = 281,737,209.60 : x
  2. Step 2: Convert to fraction form
    359,221,307.40/538,831,961.10 = 281,737,209.60/x
  3. Step 3: Cross multiply
    359,221,307.40x = 538,831,961.10 × 281,737,209.60
  4. Step 4: Simplify right side
    359,221,307.40x = 151,809,013,163,609,760
  5. Step 5: Solve for x
    x = 151,809,013,163,609,760/359,221,307.40
  6. Step 6: Final answer
    x = 422,605,814.40

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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.