Home / 51,659,856,618.40-77,489,784,927.60-45,129,509,610.40

Finding the Fourth Proportional to 51,659,856,618.40, 77,489,784,927.60 and 45,129,509,610.40

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Solution

The fourth proportional to 51,659,856,618.40, 77,489,784,927.60 and 45,129,509,610.40 is: 67,694,264,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,659,856,618.40 : 77,489,784,927.60 = 45,129,509,610.40 : x
  2. Step 2: Convert to fraction form
    51,659,856,618.40/77,489,784,927.60 = 45,129,509,610.40/x
  3. Step 3: Cross multiply
    51,659,856,618.40x = 77,489,784,927.60 × 45,129,509,610.40
  4. Step 4: Simplify right side
    51,659,856,618.40x = 3,497,075,993,597,953,703,936
  5. Step 5: Solve for x
    x = 3,497,075,993,597,953,703,936/51,659,856,618.40
  6. Step 6: Final answer
    x = 67,694,264,415.60

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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.