Home / 387,266,474.74-534,446,683.99-217,774,059.14

Finding the Fourth Proportional to 387,266,474.74, 534,446,683.99 and 217,774,059.14

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Solution

The fourth proportional to 387,266,474.74, 534,446,683.99 and 217,774,059.14 is: 300,538,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,266,474.74 : 534,446,683.99 = 217,774,059.14 : x
  2. Step 2: Convert to fraction form
    387,266,474.74/534,446,683.99 = 217,774,059.14/x
  3. Step 3: Cross multiply
    387,266,474.74x = 534,446,683.99 × 217,774,059.14
  4. Step 4: Simplify right side
    387,266,474.74x = 116,388,623,766,415,152
  5. Step 5: Solve for x
    x = 116,388,623,766,415,152/387,266,474.74
  6. Step 6: Final answer
    x = 300,538,857.24

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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.