Home / 773,175,915.60-1,066,982,939.40-425,495,403.60

Finding the Fourth Proportional to 773,175,915.60, 1,066,982,939.40 and 425,495,403.60

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Solution

The fourth proportional to 773,175,915.60, 1,066,982,939.40 and 425,495,403.60 is: 587,183,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,175,915.60 : 1,066,982,939.40 = 425,495,403.60 : x
  2. Step 2: Convert to fraction form
    773,175,915.60/1,066,982,939.40 = 425,495,403.60/x
  3. Step 3: Cross multiply
    773,175,915.60x = 1,066,982,939.40 × 425,495,403.60
  4. Step 4: Simplify right side
    773,175,915.60x = 453,996,336,434,317,376
  5. Step 5: Solve for x
    x = 453,996,336,434,317,376/773,175,915.60
  6. Step 6: Final answer
    x = 587,183,753.75

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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.