Home / 51,659,856,620.40-77,489,784,930.60-45,129,509,612.40

Finding the Fourth Proportional to 51,659,856,620.40, 77,489,784,930.60 and 45,129,509,612.40

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Solution

The fourth proportional to 51,659,856,620.40, 77,489,784,930.60 and 45,129,509,612.40 is: 67,694,264,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,659,856,620.40 : 77,489,784,930.60 = 45,129,509,612.40 : x
  2. Step 2: Convert to fraction form
    51,659,856,620.40/77,489,784,930.60 = 45,129,509,612.40/x
  3. Step 3: Cross multiply
    51,659,856,620.40x = 77,489,784,930.60 × 45,129,509,612.40
  4. Step 4: Simplify right side
    51,659,856,620.40x = 3,497,075,993,888,321,699,840
  5. Step 5: Solve for x
    x = 3,497,075,993,888,321,699,840/51,659,856,620.40
  6. Step 6: Final answer
    x = 67,694,264,418.60

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1.5x scale

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.