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Finding the Fourth Proportional to 404,658,388.88, 606,989,157.96 and 97,950,009.68

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Solution

The fourth proportional to 404,658,388.88, 606,989,157.96 and 97,950,009.68 is: 146,925,395.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,658,388.88 : 606,989,157.96 = 97,950,009.68 : x
  2. Step 2: Convert to fraction form
    404,658,388.88/606,989,157.96 = 97,950,009.68/x
  3. Step 3: Cross multiply
    404,658,388.88x = 606,989,157.96 × 97,950,009.68
  4. Step 4: Simplify right side
    404,658,388.88x = 59,454,593,897,837,056
  5. Step 5: Solve for x
    x = 59,454,593,897,837,056/404,658,388.88
  6. Step 6: Final answer
    x = 146,925,395.67

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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.