Home / 479,260,312,311.30-661,400,020,961.04-265,404,202,383.30

Finding the Fourth Proportional to 479,260,312,311.30, 661,400,020,961.04 and 265,404,202,383.30

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Solution

The fourth proportional to 479,260,312,311.30, 661,400,020,961.04 and 265,404,202,383.30 is: 366,269,312,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,260,312,311.30 : 661,400,020,961.04 = 265,404,202,383.30 : x
  2. Step 2: Convert to fraction form
    479,260,312,311.30/661,400,020,961.04 = 265,404,202,383.30/x
  3. Step 3: Cross multiply
    479,260,312,311.30x = 661,400,020,961.04 × 265,404,202,383.30
  4. Step 4: Simplify right side
    479,260,312,311.30x = 175,538,345,019,462,727,499,776
  5. Step 5: Solve for x
    x = 175,538,345,019,462,727,499,776/479,260,312,311.30
  6. Step 6: Final answer
    x = 366,269,312,334.47

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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.