Home / 440,663,977,115.20-660,995,965,672.80-161,455,362,817.60

Finding the Fourth Proportional to 440,663,977,115.20, 660,995,965,672.80 and 161,455,362,817.60

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Solution

The fourth proportional to 440,663,977,115.20, 660,995,965,672.80 and 161,455,362,817.60 is: 242,183,044,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,663,977,115.20 : 660,995,965,672.80 = 161,455,362,817.60 : x
  2. Step 2: Convert to fraction form
    440,663,977,115.20/660,995,965,672.80 = 161,455,362,817.60/x
  3. Step 3: Cross multiply
    440,663,977,115.20x = 660,995,965,672.80 × 161,455,362,817.60
  4. Step 4: Simplify right side
    440,663,977,115.20x = 106,721,343,458,671,807,430,656
  5. Step 5: Solve for x
    x = 106,721,343,458,671,807,430,656/440,663,977,115.20
  6. Step 6: Final answer
    x = 242,183,044,226.40

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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.