Home / 517,151,637.76-713,684,401.26-282,217,441.08

Finding the Fourth Proportional to 517,151,637.76, 713,684,401.26 and 282,217,441.08

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Solution

The fourth proportional to 517,151,637.76, 713,684,401.26 and 282,217,441.08 is: 389,468,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,151,637.76 : 713,684,401.26 = 282,217,441.08 : x
  2. Step 2: Convert to fraction form
    517,151,637.76/713,684,401.26 = 282,217,441.08/x
  3. Step 3: Cross multiply
    517,151,637.76x = 713,684,401.26 × 282,217,441.08
  4. Step 4: Simplify right side
    517,151,637.76x = 201,414,185,462,309,120
  5. Step 5: Solve for x
    x = 201,414,185,462,309,120/517,151,637.76
  6. Step 6: Final answer
    x = 389,468,331.44

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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.