Home / 663,970,098,420.51-996,015,927,750.69-186,436,178,619.57

Finding the Fourth Proportional to 663,970,098,420.51, 996,015,927,750.69 and 186,436,178,619.57

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Solution

The fourth proportional to 663,970,098,420.51, 996,015,927,750.69 and 186,436,178,619.57 is: 279,671,334,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,970,098,420.51 : 996,015,927,750.69 = 186,436,178,619.57 : x
  2. Step 2: Convert to fraction form
    663,970,098,420.51/996,015,927,750.69 = 186,436,178,619.57/x
  3. Step 3: Cross multiply
    663,970,098,420.51x = 996,015,927,750.69 × 186,436,178,619.57
  4. Step 4: Simplify right side
    663,970,098,420.51x = 185,693,403,414,064,378,413,056
  5. Step 5: Solve for x
    x = 185,693,403,414,064,378,413,056/663,970,098,420.51
  6. Step 6: Final answer
    x = 279,671,334,380.57

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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.