Home / 508,904,635.80-763,356,953.70-181,749,556.20

Finding the Fourth Proportional to 508,904,635.80, 763,356,953.70 and 181,749,556.20

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Solution

The fourth proportional to 508,904,635.80, 763,356,953.70 and 181,749,556.20 is: 272,624,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,904,635.80 : 763,356,953.70 = 181,749,556.20 : x
  2. Step 2: Convert to fraction form
    508,904,635.80/763,356,953.70 = 181,749,556.20/x
  3. Step 3: Cross multiply
    508,904,635.80x = 763,356,953.70 × 181,749,556.20
  4. Step 4: Simplify right side
    508,904,635.80x = 138,739,787,557,158,944
  5. Step 5: Solve for x
    x = 138,739,787,557,158,944/508,904,635.80
  6. Step 6: Final answer
    x = 272,624,334.30

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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.