Home / 1,954,175,540.60-2,931,263,310.90-865,784,372.60

Finding the Fourth Proportional to 1,954,175,540.60, 2,931,263,310.90 and 865,784,372.60

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Solution

The fourth proportional to 1,954,175,540.60, 2,931,263,310.90 and 865,784,372.60 is: 1,298,676,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,175,540.60 : 2,931,263,310.90 = 865,784,372.60 : x
  2. Step 2: Convert to fraction form
    1,954,175,540.60/2,931,263,310.90 = 865,784,372.60/x
  3. Step 3: Cross multiply
    1,954,175,540.60x = 2,931,263,310.90 × 865,784,372.60
  4. Step 4: Simplify right side
    1,954,175,540.60x = 2,537,841,966,552,955,392
  5. Step 5: Solve for x
    x = 2,537,841,966,552,955,392/1,954,175,540.60
  6. Step 6: Final answer
    x = 1,298,676,558.90

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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.