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Finding the Fourth Proportional to 1,347,210,007.45, 2,020,815,011.18 and 1,347,210,007.45

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Solution

The fourth proportional to 1,347,210,007.45, 2,020,815,011.18 and 1,347,210,007.45 is: 2,020,815,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,210,007.45 : 2,020,815,011.18 = 1,347,210,007.45 : x
  2. Step 2: Convert to fraction form
    1,347,210,007.45/2,020,815,011.18 = 1,347,210,007.45/x
  3. Step 3: Cross multiply
    1,347,210,007.45x = 2,020,815,011.18 × 1,347,210,007.45
  4. Step 4: Simplify right side
    1,347,210,007.45x = 2,722,462,206,266,880,000
  5. Step 5: Solve for x
    x = 2,722,462,206,266,880,000/1,347,210,007.45
  6. Step 6: Final answer
    x = 2,020,815,011.18

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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.