Home / 13,015,728,900,360-17,961,708,814,342-7,162,836,152,977.20

Finding the Fourth Proportional to 13,015,728,900,360, 17,961,708,814,342 and 7,162,836,152,977.20

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Solution

The fourth proportional to 13,015,728,900,360, 17,961,708,814,342 and 7,162,836,152,977.20 is: 9,884,715,504,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015,728,900,360 : 17,961,708,814,342 = 7,162,836,152,977.20 : x
  2. Step 2: Convert to fraction form
    13,015,728,900,360/17,961,708,814,342 = 7,162,836,152,977.20/x
  3. Step 3: Cross multiply
    13,015,728,900,360x = 17,961,708,814,342 × 7,162,836,152,977.20
  4. Step 4: Simplify right side
    13,015,728,900,360x = 128,656,777,264,618,114,694,250,496
  5. Step 5: Solve for x
    x = 128,656,777,264,618,114,694,250,496/13,015,728,900,360
  6. Step 6: Final answer
    x = 9,884,715,504,566.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.