Home / 7,278,339,943.60-10,917,509,915.40-5,827,151,719.60

Finding the Fourth Proportional to 7,278,339,943.60, 10,917,509,915.40 and 5,827,151,719.60

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Solution

The fourth proportional to 7,278,339,943.60, 10,917,509,915.40 and 5,827,151,719.60 is: 8,740,727,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,339,943.60 : 10,917,509,915.40 = 5,827,151,719.60 : x
  2. Step 2: Convert to fraction form
    7,278,339,943.60/10,917,509,915.40 = 5,827,151,719.60/x
  3. Step 3: Cross multiply
    7,278,339,943.60x = 10,917,509,915.40 × 5,827,151,719.60
  4. Step 4: Simplify right side
    7,278,339,943.60x = 63,617,986,677,273,165,824
  5. Step 5: Solve for x
    x = 63,617,986,677,273,165,824/7,278,339,943.60
  6. Step 6: Final answer
    x = 8,740,727,579.40

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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.