Home / 829,431,825.17-1,244,139,216.43-479,455,204.88

Finding the Fourth Proportional to 829,431,825.17, 1,244,139,216.43 and 479,455,204.88

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Solution

The fourth proportional to 829,431,825.17, 1,244,139,216.43 and 479,455,204.88 is: 719,177,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,431,825.17 : 1,244,139,216.43 = 479,455,204.88 : x
  2. Step 2: Convert to fraction form
    829,431,825.17/1,244,139,216.43 = 479,455,204.88/x
  3. Step 3: Cross multiply
    829,431,825.17x = 1,244,139,216.43 × 479,455,204.88
  4. Step 4: Simplify right side
    829,431,825.17x = 596,509,022,912,688,384
  5. Step 5: Solve for x
    x = 596,509,022,912,688,384/829,431,825.17
  6. Step 6: Final answer
    x = 719,177,881.55

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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.