Home / 1,429,529,383.18-1,972,138,610.28-892,749,151.60

Finding the Fourth Proportional to 1,429,529,383.18, 1,972,138,610.28 and 892,749,151.60

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Solution

The fourth proportional to 1,429,529,383.18, 1,972,138,610.28 and 892,749,151.60 is: 1,231,611,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,529,383.18 : 1,972,138,610.28 = 892,749,151.60 : x
  2. Step 2: Convert to fraction form
    1,429,529,383.18/1,972,138,610.28 = 892,749,151.60/x
  3. Step 3: Cross multiply
    1,429,529,383.18x = 1,972,138,610.28 × 892,749,151.60
  4. Step 4: Simplify right side
    1,429,529,383.18x = 1,760,625,071,165,073,152
  5. Step 5: Solve for x
    x = 1,760,625,071,165,073,152/1,429,529,383.18
  6. Step 6: Final answer
    x = 1,231,611,670.16

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Double scale
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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.