Home / 472,269,133.81-651,650,689.48-273,985,175.20

Finding the Fourth Proportional to 472,269,133.81, 651,650,689.48 and 273,985,175.20

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Solution

The fourth proportional to 472,269,133.81, 651,650,689.48 and 273,985,175.20 is: 378,052,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,269,133.81 : 651,650,689.48 = 273,985,175.20 : x
  2. Step 2: Convert to fraction form
    472,269,133.81/651,650,689.48 = 273,985,175.20/x
  3. Step 3: Cross multiply
    472,269,133.81x = 651,650,689.48 × 273,985,175.20
  4. Step 4: Simplify right side
    472,269,133.81x = 178,542,628,327,251,264
  5. Step 5: Solve for x
    x = 178,542,628,327,251,264/472,269,133.81
  6. Step 6: Final answer
    x = 378,052,715.17

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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.