Home / 4,992,856,961.20-6,886,824,176.80-3,210,964,517.45

Finding the Fourth Proportional to 4,992,856,961.20, 6,886,824,176.80 and 3,210,964,517.45

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Solution

The fourth proportional to 4,992,856,961.20, 6,886,824,176.80 and 3,210,964,517.45 is: 4,428,996,913.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992,856,961.20 : 6,886,824,176.80 = 3,210,964,517.45 : x
  2. Step 2: Convert to fraction form
    4,992,856,961.20/6,886,824,176.80 = 3,210,964,517.45/x
  3. Step 3: Cross multiply
    4,992,856,961.20x = 6,886,824,176.80 × 3,210,964,517.45
  4. Step 4: Simplify right side
    4,992,856,961.20x = 22,113,348,069,642,997,760
  5. Step 5: Solve for x
    x = 22,113,348,069,642,997,760/4,992,856,961.20
  6. Step 6: Final answer
    x = 4,428,996,913.29

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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.