Home / 5,314,680,206.40-7,971,978,319.20-1,384,378,766.40

Finding the Fourth Proportional to 5,314,680,206.40, 7,971,978,319.20 and 1,384,378,766.40

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Solution

The fourth proportional to 5,314,680,206.40, 7,971,978,319.20 and 1,384,378,766.40 is: 2,076,557,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,680,206.40 : 7,971,978,319.20 = 1,384,378,766.40 : x
  2. Step 2: Convert to fraction form
    5,314,680,206.40/7,971,978,319.20 = 1,384,378,766.40/x
  3. Step 3: Cross multiply
    5,314,680,206.40x = 7,971,978,319.20 × 1,384,378,766.40
  4. Step 4: Simplify right side
    5,314,680,206.40x = 11,036,237,511,301,642,240
  5. Step 5: Solve for x
    x = 11,036,237,511,301,642,240/5,314,680,206.40
  6. Step 6: Final answer
    x = 2,076,557,211.85

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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.