Home / 1,267,731,624.20-1,901,597,436.30-347,606,486.60

Finding the Fourth Proportional to 1,267,731,624.20, 1,901,597,436.30 and 347,606,486.60

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Solution

The fourth proportional to 1,267,731,624.20, 1,901,597,436.30 and 347,606,486.60 is: 521,409,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,731,624.20 : 1,901,597,436.30 = 347,606,486.60 : x
  2. Step 2: Convert to fraction form
    1,267,731,624.20/1,901,597,436.30 = 347,606,486.60/x
  3. Step 3: Cross multiply
    1,267,731,624.20x = 1,901,597,436.30 × 347,606,486.60
  4. Step 4: Simplify right side
    1,267,731,624.20x = 661,007,603,759,810,304
  5. Step 5: Solve for x
    x = 661,007,603,759,810,304/1,267,731,624.20
  6. Step 6: Final answer
    x = 521,409,729.90

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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.