Home / 774,796,096.64-1,069,209,777.28-422,364,312.56

Finding the Fourth Proportional to 774,796,096.64, 1,069,209,777.28 and 422,364,312.56

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Solution

The fourth proportional to 774,796,096.64, 1,069,209,777.28 and 422,364,312.56 is: 582,857,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,796,096.64 : 1,069,209,777.28 = 422,364,312.56 : x
  2. Step 2: Convert to fraction form
    774,796,096.64/1,069,209,777.28 = 422,364,312.56/x
  3. Step 3: Cross multiply
    774,796,096.64x = 1,069,209,777.28 × 422,364,312.56
  4. Step 4: Simplify right side
    774,796,096.64x = 451,596,052,563,297,920
  5. Step 5: Solve for x
    x = 451,596,052,563,297,920/774,796,096.64
  6. Step 6: Final answer
    x = 582,857,934.52

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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.