Home / 1,917,450,999.65-2,647,909,875.57-1,812,989,462.01

Finding the Fourth Proportional to 1,917,450,999.65, 2,647,909,875.57 and 1,812,989,462.01

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Solution

The fourth proportional to 1,917,450,999.65, 2,647,909,875.57 and 1,812,989,462.01 is: 2,503,653,392.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,450,999.65 : 2,647,909,875.57 = 1,812,989,462.01 : x
  2. Step 2: Convert to fraction form
    1,917,450,999.65/2,647,909,875.57 = 1,812,989,462.01/x
  3. Step 3: Cross multiply
    1,917,450,999.65x = 2,647,909,875.57 × 1,812,989,462.01
  4. Step 4: Simplify right side
    1,917,450,999.65x = 4,800,632,700,754,086,912
  5. Step 5: Solve for x
    x = 4,800,632,700,754,086,912/1,917,450,999.65
  6. Step 6: Final answer
    x = 2,503,653,392.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.