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Finding the Fourth Proportional to 663,848,859.84, 995,929,700.64 and 227,154,298.56

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Solution

The fourth proportional to 663,848,859.84, 995,929,700.64 and 227,154,298.56 is: 340,784,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,848,859.84 : 995,929,700.64 = 227,154,298.56 : x
  2. Step 2: Convert to fraction form
    663,848,859.84/995,929,700.64 = 227,154,298.56/x
  3. Step 3: Cross multiply
    663,848,859.84x = 995,929,700.64 × 227,154,298.56
  4. Step 4: Simplify right side
    663,848,859.84x = 226,229,712,563,949,984
  5. Step 5: Solve for x
    x = 226,229,712,563,949,984/663,848,859.84
  6. Step 6: Final answer
    x = 340,784,968.16

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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.