Home / 347,712,491.44-479,643,427.32-217,105,551.28

Finding the Fourth Proportional to 347,712,491.44, 479,643,427.32 and 217,105,551.28

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Solution

The fourth proportional to 347,712,491.44, 479,643,427.32 and 217,105,551.28 is: 299,480,902.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,712,491.44 : 479,643,427.32 = 217,105,551.28 : x
  2. Step 2: Convert to fraction form
    347,712,491.44/479,643,427.32 = 217,105,551.28/x
  3. Step 3: Cross multiply
    347,712,491.44x = 479,643,427.32 × 217,105,551.28
  4. Step 4: Simplify right side
    347,712,491.44x = 104,133,250,706,137,216
  5. Step 5: Solve for x
    x = 104,133,250,706,137,216/347,712,491.44
  6. Step 6: Final answer
    x = 299,480,902.38

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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.