Home / 741,528,234.20-1,112,292,351.30-431,166,690.20

Finding the Fourth Proportional to 741,528,234.20, 1,112,292,351.30 and 431,166,690.20

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Solution

The fourth proportional to 741,528,234.20, 1,112,292,351.30 and 431,166,690.20 is: 646,750,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,528,234.20 : 1,112,292,351.30 = 431,166,690.20 : x
  2. Step 2: Convert to fraction form
    741,528,234.20/1,112,292,351.30 = 431,166,690.20/x
  3. Step 3: Cross multiply
    741,528,234.20x = 1,112,292,351.30 × 431,166,690.20
  4. Step 4: Simplify right side
    741,528,234.20x = 479,583,411,644,796,608
  5. Step 5: Solve for x
    x = 479,583,411,644,796,608/741,528,234.20
  6. Step 6: Final answer
    x = 646,750,035.30

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Double scale
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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.