Home / 846,533,230.74-1,269,963,370.89-321,861,537.06

Finding the Fourth Proportional to 846,533,230.74, 1,269,963,370.89 and 321,861,537.06

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Solution

The fourth proportional to 846,533,230.74, 1,269,963,370.89 and 321,861,537.06 is: 482,854,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,533,230.74 : 1,269,963,370.89 = 321,861,537.06 : x
  2. Step 2: Convert to fraction form
    846,533,230.74/1,269,963,370.89 = 321,861,537.06/x
  3. Step 3: Cross multiply
    846,533,230.74x = 1,269,963,370.89 × 321,861,537.06
  4. Step 4: Simplify right side
    846,533,230.74x = 408,752,362,564,554,304
  5. Step 5: Solve for x
    x = 408,752,362,564,554,304/846,533,230.74
  6. Step 6: Final answer
    x = 482,854,479.57

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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.