Home / 438,729,206.58-658,167,796.53-147,527,107.02

Finding the Fourth Proportional to 438,729,206.58, 658,167,796.53 and 147,527,107.02

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Solution

The fourth proportional to 438,729,206.58, 658,167,796.53 and 147,527,107.02 is: 221,315,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,729,206.58 : 658,167,796.53 = 147,527,107.02 : x
  2. Step 2: Convert to fraction form
    438,729,206.58/658,167,796.53 = 147,527,107.02/x
  3. Step 3: Cross multiply
    438,729,206.58x = 658,167,796.53 × 147,527,107.02
  4. Step 4: Simplify right side
    438,729,206.58x = 97,097,590,955,798,896
  5. Step 5: Solve for x
    x = 97,097,590,955,798,896/438,729,206.58
  6. Step 6: Final answer
    x = 221,315,539.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.