Home / 802,121,617,680.78-1,203,182,426,521.20-802,121,617,680.78

Finding the Fourth Proportional to 802,121,617,680.78, 1,203,182,426,521.20 and 802,121,617,680.78

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Solution

The fourth proportional to 802,121,617,680.78, 1,203,182,426,521.20 and 802,121,617,680.78 is: 1,203,182,426,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,121,617,680.78 : 1,203,182,426,521.20 = 802,121,617,680.78 : x
  2. Step 2: Convert to fraction form
    802,121,617,680.78/1,203,182,426,521.20 = 802,121,617,680.78/x
  3. Step 3: Cross multiply
    802,121,617,680.78x = 1,203,182,426,521.20 × 802,121,617,680.78
  4. Step 4: Simplify right side
    802,121,617,680.78x = 965,098,634,326,271,200,329,728
  5. Step 5: Solve for x
    x = 965,098,634,326,271,200,329,728/802,121,617,680.78
  6. Step 6: Final answer
    x = 1,203,182,426,521.20

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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.