Home / 3,897,234,135.60-5,845,851,203.40-989,188,983.60

Finding the Fourth Proportional to 3,897,234,135.60, 5,845,851,203.40 and 989,188,983.60

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Solution

The fourth proportional to 3,897,234,135.60, 5,845,851,203.40 and 989,188,983.60 is: 1,483,783,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897,234,135.60 : 5,845,851,203.40 = 989,188,983.60 : x
  2. Step 2: Convert to fraction form
    3,897,234,135.60/5,845,851,203.40 = 989,188,983.60/x
  3. Step 3: Cross multiply
    3,897,234,135.60x = 5,845,851,203.40 × 989,188,983.60
  4. Step 4: Simplify right side
    3,897,234,135.60x = 5,782,651,610,168,082,432
  5. Step 5: Solve for x
    x = 5,782,651,610,168,082,432/3,897,234,135.60
  6. Step 6: Final answer
    x = 1,483,783,475.40

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Double scale
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1.5x scale

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.