Home / 516,043,057.05-774,109,173.96-142,550,812.44

Finding the Fourth Proportional to 516,043,057.05, 774,109,173.96 and 142,550,812.44

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Solution

The fourth proportional to 516,043,057.05, 774,109,173.96 and 142,550,812.44 is: 213,838,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,043,057.05 : 774,109,173.96 = 142,550,812.44 : x
  2. Step 2: Convert to fraction form
    516,043,057.05/774,109,173.96 = 142,550,812.44/x
  3. Step 3: Cross multiply
    516,043,057.05x = 774,109,173.96 × 142,550,812.44
  4. Step 4: Simplify right side
    516,043,057.05x = 110,349,891,665,255,296
  5. Step 5: Solve for x
    x = 110,349,891,665,255,296/516,043,057.05
  6. Step 6: Final answer
    x = 213,838,535.68

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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.