Home / 519,492,538.41-716,890,842.48-281,335,787.65

Finding the Fourth Proportional to 519,492,538.41, 716,890,842.48 and 281,335,787.65

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Solution

The fourth proportional to 519,492,538.41, 716,890,842.48 and 281,335,787.65 is: 388,238,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,492,538.41 : 716,890,842.48 = 281,335,787.65 : x
  2. Step 2: Convert to fraction form
    519,492,538.41/716,890,842.48 = 281,335,787.65/x
  3. Step 3: Cross multiply
    519,492,538.41x = 716,890,842.48 × 281,335,787.65
  4. Step 4: Simplify right side
    519,492,538.41x = 201,687,049,828,182,880
  5. Step 5: Solve for x
    x = 201,687,049,828,182,880/519,492,538.41
  6. Step 6: Final answer
    x = 388,238,588.46

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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.