Home / 290,947,536,233.40-436,421,304,350.10-171,931,962,012.60

Finding the Fourth Proportional to 290,947,536,233.40, 436,421,304,350.10 and 171,931,962,012.60

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Solution

The fourth proportional to 290,947,536,233.40, 436,421,304,350.10 and 171,931,962,012.60 is: 257,897,943,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,947,536,233.40 : 436,421,304,350.10 = 171,931,962,012.60 : x
  2. Step 2: Convert to fraction form
    290,947,536,233.40/436,421,304,350.10 = 171,931,962,012.60/x
  3. Step 3: Cross multiply
    290,947,536,233.40x = 436,421,304,350.10 × 171,931,962,012.60
  4. Step 4: Simplify right side
    290,947,536,233.40x = 75,034,771,121,010,737,414,144
  5. Step 5: Solve for x
    x = 75,034,771,121,010,737,414,144/290,947,536,233.40
  6. Step 6: Final answer
    x = 257,897,943,018.90

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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.