Home / 1,645,420,970.88-2,468,145,924-418,590,720

Finding the Fourth Proportional to 1,645,420,970.88, 2,468,145,924 and 418,590,720

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Solution

The fourth proportional to 1,645,420,970.88, 2,468,145,924 and 418,590,720 is: 627,889,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,420,970.88 : 2,468,145,924 = 418,590,720 : x
  2. Step 2: Convert to fraction form
    1,645,420,970.88/2,468,145,924 = 418,590,720/x
  3. Step 3: Cross multiply
    1,645,420,970.88x = 2,468,145,924 × 418,590,720
  4. Step 4: Simplify right side
    1,645,420,970.88x = 1,033,142,979,392,225,280
  5. Step 5: Solve for x
    x = 1,033,142,979,392,225,280/1,645,420,970.88
  6. Step 6: Final answer
    x = 627,889,760.54

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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.