Home / 581,529,317.25-872,301,573.82-193,352,147.61

Finding the Fourth Proportional to 581,529,317.25, 872,301,573.82 and 193,352,147.61

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Solution

The fourth proportional to 581,529,317.25, 872,301,573.82 and 193,352,147.61 is: 290,030,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,529,317.25 : 872,301,573.82 = 193,352,147.61 : x
  2. Step 2: Convert to fraction form
    581,529,317.25/872,301,573.82 = 193,352,147.61/x
  3. Step 3: Cross multiply
    581,529,317.25x = 872,301,573.82 × 193,352,147.61
  4. Step 4: Simplify right side
    581,529,317.25x = 168,661,382,661,679,968
  5. Step 5: Solve for x
    x = 168,661,382,661,679,968/581,529,317.25
  6. Step 6: Final answer
    x = 290,030,747.65

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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.