Home / 502,749,178.74-693,782,986.77-291,064,935.02

Finding the Fourth Proportional to 502,749,178.74, 693,782,986.77 and 291,064,935.02

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Solution

The fourth proportional to 502,749,178.74, 693,782,986.77 and 291,064,935.02 is: 401,663,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,749,178.74 : 693,782,986.77 = 291,064,935.02 : x
  2. Step 2: Convert to fraction form
    502,749,178.74/693,782,986.77 = 291,064,935.02/x
  3. Step 3: Cross multiply
    502,749,178.74x = 693,782,986.77 × 291,064,935.02
  4. Step 4: Simplify right side
    502,749,178.74x = 201,935,899,958,722,624
  5. Step 5: Solve for x
    x = 201,935,899,958,722,624/502,749,178.74
  6. Step 6: Final answer
    x = 401,663,311.44

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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.