Home / 514,222,371.54-709,670,637.30-291,243,719.28

Finding the Fourth Proportional to 514,222,371.54, 709,670,637.30 and 291,243,719.28

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Solution

The fourth proportional to 514,222,371.54, 709,670,637.30 and 291,243,719.28 is: 401,941,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,222,371.54 : 709,670,637.30 = 291,243,719.28 : x
  2. Step 2: Convert to fraction form
    514,222,371.54/709,670,637.30 = 291,243,719.28/x
  3. Step 3: Cross multiply
    514,222,371.54x = 709,670,637.30 × 291,243,719.28
  4. Step 4: Simplify right side
    514,222,371.54x = 206,687,115,871,059,872
  5. Step 5: Solve for x
    x = 206,687,115,871,059,872/514,222,371.54
  6. Step 6: Final answer
    x = 401,941,119.85

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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.