Home / 471,835,657.40-707,752,873.71-126,789,292.13

Finding the Fourth Proportional to 471,835,657.40, 707,752,873.71 and 126,789,292.13

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Solution

The fourth proportional to 471,835,657.40, 707,752,873.71 and 126,789,292.13 is: 190,183,773.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,835,657.40 : 707,752,873.71 = 126,789,292.13 : x
  2. Step 2: Convert to fraction form
    471,835,657.40/707,752,873.71 = 126,789,292.13/x
  3. Step 3: Cross multiply
    471,835,657.40x = 707,752,873.71 × 126,789,292.13
  4. Step 4: Simplify right side
    471,835,657.40x = 89,735,485,857,125,424
  5. Step 5: Solve for x
    x = 89,735,485,857,125,424/471,835,657.40
  6. Step 6: Final answer
    x = 190,183,773.63

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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.