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Finding the Fourth Proportional to 2,989,776,875.65, 4,484,665,313.48 and 2,989,776,875.65

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Solution

The fourth proportional to 2,989,776,875.65, 4,484,665,313.48 and 2,989,776,875.65 is: 4,484,665,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,776,875.65 : 4,484,665,313.48 = 2,989,776,875.65 : x
  2. Step 2: Convert to fraction form
    2,989,776,875.65/4,484,665,313.48 = 2,989,776,875.65/x
  3. Step 3: Cross multiply
    2,989,776,875.65x = 4,484,665,313.48 × 2,989,776,875.65
  4. Step 4: Simplify right side
    2,989,776,875.65x = 13,408,148,649,272,162,304
  5. Step 5: Solve for x
    x = 13,408,148,649,272,162,304/2,989,776,875.65
  6. Step 6: Final answer
    x = 4,484,665,313.48

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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.