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Finding the Fourth Proportional to 934,398,002.40, 1,401,597,003.60 and 782,476,735.20

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Solution

The fourth proportional to 934,398,002.40, 1,401,597,003.60 and 782,476,735.20 is: 1,173,715,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,398,002.40 : 1,401,597,003.60 = 782,476,735.20 : x
  2. Step 2: Convert to fraction form
    934,398,002.40/1,401,597,003.60 = 782,476,735.20/x
  3. Step 3: Cross multiply
    934,398,002.40x = 1,401,597,003.60 × 782,476,735.20
  4. Step 4: Simplify right side
    934,398,002.40x = 1,096,717,047,443,030,656
  5. Step 5: Solve for x
    x = 1,096,717,047,443,030,656/934,398,002.40
  6. Step 6: Final answer
    x = 1,173,715,102.80

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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.