Home / 664,945,519.32-917,626,061.34-371,590,087.32

Finding the Fourth Proportional to 664,945,519.32, 917,626,061.34 and 371,590,087.32

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Solution

The fourth proportional to 664,945,519.32, 917,626,061.34 and 371,590,087.32 is: 512,795,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,945,519.32 : 917,626,061.34 = 371,590,087.32 : x
  2. Step 2: Convert to fraction form
    664,945,519.32/917,626,061.34 = 371,590,087.32/x
  3. Step 3: Cross multiply
    664,945,519.32x = 917,626,061.34 × 371,590,087.32
  4. Step 4: Simplify right side
    664,945,519.32x = 340,980,748,260,438,272
  5. Step 5: Solve for x
    x = 340,980,748,260,438,272/664,945,519.32
  6. Step 6: Final answer
    x = 512,795,016.06

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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.