Home / 553,679,588.80-830,519,383.20-144,777,073.60

Finding the Fourth Proportional to 553,679,588.80, 830,519,383.20 and 144,777,073.60

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Solution

The fourth proportional to 553,679,588.80, 830,519,383.20 and 144,777,073.60 is: 217,165,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,679,588.80 : 830,519,383.20 = 144,777,073.60 : x
  2. Step 2: Convert to fraction form
    553,679,588.80/830,519,383.20 = 144,777,073.60/x
  3. Step 3: Cross multiply
    553,679,588.80x = 830,519,383.20 × 144,777,073.60
  4. Step 4: Simplify right side
    553,679,588.80x = 120,240,165,867,773,008
  5. Step 5: Solve for x
    x = 120,240,165,867,773,008/553,679,588.80
  6. Step 6: Final answer
    x = 217,165,610.40

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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.