Home / 663,970,098,431.30-996,015,927,767.05-186,436,178,630.40

Finding the Fourth Proportional to 663,970,098,431.30, 996,015,927,767.05 and 186,436,178,630.40

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Solution

The fourth proportional to 663,970,098,431.30, 996,015,927,767.05 and 186,436,178,630.40 is: 279,671,334,396.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,970,098,431.30 : 996,015,927,767.05 = 186,436,178,630.40 : x
  2. Step 2: Convert to fraction form
    663,970,098,431.30/996,015,927,767.05 = 186,436,178,630.40/x
  3. Step 3: Cross multiply
    663,970,098,431.30x = 996,015,927,767.05 × 186,436,178,630.40
  4. Step 4: Simplify right side
    663,970,098,431.30x = 185,693,403,427,901,320,200,192
  5. Step 5: Solve for x
    x = 185,693,403,427,901,320,200,192/663,970,098,431.30
  6. Step 6: Final answer
    x = 279,671,334,396.87

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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.