Home / 347,012,288.31-520,604,584.03-172,217,357.60

Finding the Fourth Proportional to 347,012,288.31, 520,604,584.03 and 172,217,357.60

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Solution

The fourth proportional to 347,012,288.31, 520,604,584.03 and 172,217,357.60 is: 258,368,792.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,012,288.31 : 520,604,584.03 = 172,217,357.60 : x
  2. Step 2: Convert to fraction form
    347,012,288.31/520,604,584.03 = 172,217,357.60/x
  3. Step 3: Cross multiply
    347,012,288.31x = 520,604,584.03 × 172,217,357.60
  4. Step 4: Simplify right side
    347,012,288.31x = 89,657,145,817,610,544
  5. Step 5: Solve for x
    x = 89,657,145,817,610,544/347,012,288.31
  6. Step 6: Final answer
    x = 258,368,792.22

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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.