Home / 471,838,643.40-707,757,965.10-265,214,382.60

Finding the Fourth Proportional to 471,838,643.40, 707,757,965.10 and 265,214,382.60

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Solution

The fourth proportional to 471,838,643.40, 707,757,965.10 and 265,214,382.60 is: 397,821,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,838,643.40 : 707,757,965.10 = 265,214,382.60 : x
  2. Step 2: Convert to fraction form
    471,838,643.40/707,757,965.10 = 265,214,382.60/x
  3. Step 3: Cross multiply
    471,838,643.40x = 707,757,965.10 × 265,214,382.60
  4. Step 4: Simplify right side
    471,838,643.40x = 187,707,591,744,228,864
  5. Step 5: Solve for x
    x = 187,707,591,744,228,864/471,838,643.40
  6. Step 6: Final answer
    x = 397,821,573.90

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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.