Home / 846,533,079.01-1,269,963,143.55-321,861,386.52

Finding the Fourth Proportional to 846,533,079.01, 1,269,963,143.55 and 321,861,386.52

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Solution

The fourth proportional to 846,533,079.01, 1,269,963,143.55 and 321,861,386.52 is: 482,854,253.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,533,079.01 : 1,269,963,143.55 = 321,861,386.52 : x
  2. Step 2: Convert to fraction form
    846,533,079.01/1,269,963,143.55 = 321,861,386.52/x
  3. Step 3: Cross multiply
    846,533,079.01x = 1,269,963,143.55 × 321,861,386.52
  4. Step 4: Simplify right side
    846,533,079.01x = 408,752,098,211,411,328
  5. Step 5: Solve for x
    x = 408,752,098,211,411,328/846,533,079.01
  6. Step 6: Final answer
    x = 482,854,253.83

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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.