Home / 415,561,816.80-622,931,569.20-196,827,699.60

Finding the Fourth Proportional to 415,561,816.80, 622,931,569.20 and 196,827,699.60

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Solution

The fourth proportional to 415,561,816.80, 622,931,569.20 and 196,827,699.60 is: 295,046,808.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,561,816.80 : 622,931,569.20 = 196,827,699.60 : x
  2. Step 2: Convert to fraction form
    415,561,816.80/622,931,569.20 = 196,827,699.60/x
  3. Step 3: Cross multiply
    415,561,816.80x = 622,931,569.20 × 196,827,699.60
  4. Step 4: Simplify right side
    415,561,816.80x = 122,610,187,773,854,224
  5. Step 5: Solve for x
    x = 122,610,187,773,854,224/415,561,816.80
  6. Step 6: Final answer
    x = 295,046,808.48

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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.