Home / 502,749,174.48-693,782,980.92-291,064,930.76

Finding the Fourth Proportional to 502,749,174.48, 693,782,980.92 and 291,064,930.76

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Solution

The fourth proportional to 502,749,174.48, 693,782,980.92 and 291,064,930.76 is: 401,663,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,749,174.48 : 693,782,980.92 = 291,064,930.76 : x
  2. Step 2: Convert to fraction form
    502,749,174.48/693,782,980.92 = 291,064,930.76/x
  3. Step 3: Cross multiply
    502,749,174.48x = 693,782,980.92 × 291,064,930.76
  4. Step 4: Simplify right side
    502,749,174.48x = 201,935,895,303,946,176
  5. Step 5: Solve for x
    x = 201,935,895,303,946,176/502,749,174.48
  6. Step 6: Final answer
    x = 401,663,305.59

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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.