Home / 665,003,501.91-917,665,390.98-367,628,009.76

Finding the Fourth Proportional to 665,003,501.91, 917,665,390.98 and 367,628,009.76

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Solution

The fourth proportional to 665,003,501.91, 917,665,390.98 and 367,628,009.76 is: 507,304,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,003,501.91 : 917,665,390.98 = 367,628,009.76 : x
  2. Step 2: Convert to fraction form
    665,003,501.91/917,665,390.98 = 367,628,009.76/x
  3. Step 3: Cross multiply
    665,003,501.91x = 917,665,390.98 × 367,628,009.76
  4. Step 4: Simplify right side
    665,003,501.91x = 337,359,501,311,609,664
  5. Step 5: Solve for x
    x = 337,359,501,311,609,664/665,003,501.91
  6. Step 6: Final answer
    x = 507,304,849.29

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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.