Home / 660,109,506.30-990,164,259.45-332,458,415.10

Finding the Fourth Proportional to 660,109,506.30, 990,164,259.45 and 332,458,415.10

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Solution

The fourth proportional to 660,109,506.30, 990,164,259.45 and 332,458,415.10 is: 498,687,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,109,506.30 : 990,164,259.45 = 332,458,415.10 : x
  2. Step 2: Convert to fraction form
    660,109,506.30/990,164,259.45 = 332,458,415.10/x
  3. Step 3: Cross multiply
    660,109,506.30x = 990,164,259.45 × 332,458,415.10
  4. Step 4: Simplify right side
    660,109,506.30x = 329,188,440,385,412,224
  5. Step 5: Solve for x
    x = 329,188,440,385,412,224/660,109,506.30
  6. Step 6: Final answer
    x = 498,687,622.65

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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.