Home / 701,786,984,549.75-968,465,304,172.40-393,140,516,183.55

Finding the Fourth Proportional to 701,786,984,549.75, 968,465,304,172.40 and 393,140,516,183.55

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Solution

The fourth proportional to 701,786,984,549.75, 968,465,304,172.40 and 393,140,516,183.55 is: 542,533,500,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,786,984,549.75 : 968,465,304,172.40 = 393,140,516,183.55 : x
  2. Step 2: Convert to fraction form
    701,786,984,549.75/968,465,304,172.40 = 393,140,516,183.55/x
  3. Step 3: Cross multiply
    701,786,984,549.75x = 968,465,304,172.40 × 393,140,516,183.55
  4. Step 4: Simplify right side
    701,786,984,549.75x = 380,742,949,588,196,086,775,808
  5. Step 5: Solve for x
    x = 380,742,949,588,196,086,775,808/701,786,984,549.75
  6. Step 6: Final answer
    x = 542,533,500,863.47

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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.