Home / 712,392,997.20-1,066,322,014.20-508,319,653.20

Finding the Fourth Proportional to 712,392,997.20, 1,066,322,014.20 and 508,319,653.20

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Solution

The fourth proportional to 712,392,997.20, 1,066,322,014.20 and 508,319,653.20 is: 760,861,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,392,997.20 : 1,066,322,014.20 = 508,319,653.20 : x
  2. Step 2: Convert to fraction form
    712,392,997.20/1,066,322,014.20 = 508,319,653.20/x
  3. Step 3: Cross multiply
    712,392,997.20x = 1,066,322,014.20 × 508,319,653.20
  4. Step 4: Simplify right side
    712,392,997.20x = 542,032,436,457,669,504
  5. Step 5: Solve for x
    x = 542,032,436,457,669,504/712,392,997.20
  6. Step 6: Final answer
    x = 760,861,544.95

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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.