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Finding the Fourth Proportional to 1,119,150,803.20, 1,675,497,700.72 and 1,119,150,803.20

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Solution

The fourth proportional to 1,119,150,803.20, 1,675,497,700.72 and 1,119,150,803.20 is: 1,675,497,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,150,803.20 : 1,675,497,700.72 = 1,119,150,803.20 : x
  2. Step 2: Convert to fraction form
    1,119,150,803.20/1,675,497,700.72 = 1,119,150,803.20/x
  3. Step 3: Cross multiply
    1,119,150,803.20x = 1,675,497,700.72 × 1,119,150,803.20
  4. Step 4: Simplify right side
    1,119,150,803.20x = 1,875,134,597,520,541,440
  5. Step 5: Solve for x
    x = 1,875,134,597,520,541,440/1,119,150,803.20
  6. Step 6: Final answer
    x = 1,675,497,700.72

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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.