Home / 938,090,452.44-1,294,720,013.88-520,537,258.56

Finding the Fourth Proportional to 938,090,452.44, 1,294,720,013.88 and 520,537,258.56

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Solution

The fourth proportional to 938,090,452.44, 1,294,720,013.88 and 520,537,258.56 is: 718,427,529.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,090,452.44 : 1,294,720,013.88 = 520,537,258.56 : x
  2. Step 2: Convert to fraction form
    938,090,452.44/1,294,720,013.88 = 520,537,258.56/x
  3. Step 3: Cross multiply
    938,090,452.44x = 1,294,720,013.88 × 520,537,258.56
  4. Step 4: Simplify right side
    938,090,452.44x = 673,950,006,627,860,352
  5. Step 5: Solve for x
    x = 673,950,006,627,860,352/938,090,452.44
  6. Step 6: Final answer
    x = 718,427,529.96

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1.5x scale

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.