Home / 424,179,468.18-585,358,489.53-245,570,928.30

Finding the Fourth Proportional to 424,179,468.18, 585,358,489.53 and 245,570,928.30

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Solution

The fourth proportional to 424,179,468.18, 585,358,489.53 and 245,570,928.30 is: 338,882,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,179,468.18 : 585,358,489.53 = 245,570,928.30 : x
  2. Step 2: Convert to fraction form
    424,179,468.18/585,358,489.53 = 245,570,928.30/x
  3. Step 3: Cross multiply
    424,179,468.18x = 585,358,489.53 × 245,570,928.30
  4. Step 4: Simplify right side
    424,179,468.18x = 143,747,027,662,167,936
  5. Step 5: Solve for x
    x = 143,747,027,662,167,936/424,179,468.18
  6. Step 6: Final answer
    x = 338,882,568.45

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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.