Home / 846,579,018.30-1,269,374,287.32-328,403,966.64

Finding the Fourth Proportional to 846,579,018.30, 1,269,374,287.32 and 328,403,966.64

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Solution

The fourth proportional to 846,579,018.30, 1,269,374,287.32 and 328,403,966.64 is: 492,414,224.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,579,018.30 : 1,269,374,287.32 = 328,403,966.64 : x
  2. Step 2: Convert to fraction form
    846,579,018.30/1,269,374,287.32 = 328,403,966.64/x
  3. Step 3: Cross multiply
    846,579,018.30x = 1,269,374,287.32 × 328,403,966.64
  4. Step 4: Simplify right side
    846,579,018.30x = 416,867,551,106,711,040
  5. Step 5: Solve for x
    x = 416,867,551,106,711,040/846,579,018.30
  6. Step 6: Final answer
    x = 492,414,224.89

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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.