Home / 502,749,180.99-693,782,989.88-291,064,937.27

Finding the Fourth Proportional to 502,749,180.99, 693,782,989.88 and 291,064,937.27

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Solution

The fourth proportional to 502,749,180.99, 693,782,989.88 and 291,064,937.27 is: 401,663,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,749,180.99 : 693,782,989.88 = 291,064,937.27 : x
  2. Step 2: Convert to fraction form
    502,749,180.99/693,782,989.88 = 291,064,937.27/x
  3. Step 3: Cross multiply
    502,749,180.99x = 693,782,989.88 × 291,064,937.27
  4. Step 4: Simplify right side
    502,749,180.99x = 201,935,902,423,491,008
  5. Step 5: Solve for x
    x = 201,935,902,423,491,008/502,749,180.99
  6. Step 6: Final answer
    x = 401,663,314.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.