Home / 519,492,589.58-716,890,913.31-281,335,839.02

Finding the Fourth Proportional to 519,492,589.58, 716,890,913.31 and 281,335,839.02

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Solution

The fourth proportional to 519,492,589.58, 716,890,913.31 and 281,335,839.02 is: 388,238,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,492,589.58 : 716,890,913.31 = 281,335,839.02 : x
  2. Step 2: Convert to fraction form
    519,492,589.58/716,890,913.31 = 281,335,839.02/x
  3. Step 3: Cross multiply
    519,492,589.58x = 716,890,913.31 × 281,335,839.02
  4. Step 4: Simplify right side
    519,492,589.58x = 201,687,106,581,882,912
  5. Step 5: Solve for x
    x = 201,687,106,581,882,912/519,492,589.58
  6. Step 6: Final answer
    x = 388,238,659.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.