Home / 538,962,068.80-808,821,016.80-345,344,334.40

Finding the Fourth Proportional to 538,962,068.80, 808,821,016.80 and 345,344,334.40

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Solution

The fourth proportional to 538,962,068.80, 808,821,016.80 and 345,344,334.40 is: 518,258,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,962,068.80 : 808,821,016.80 = 345,344,334.40 : x
  2. Step 2: Convert to fraction form
    538,962,068.80/808,821,016.80 = 345,344,334.40/x
  3. Step 3: Cross multiply
    538,962,068.80x = 808,821,016.80 × 345,344,334.40
  4. Step 4: Simplify right side
    538,962,068.80x = 279,321,755,695,527,168
  5. Step 5: Solve for x
    x = 279,321,755,695,527,168/538,962,068.80
  6. Step 6: Final answer
    x = 518,258,652.82

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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.