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Finding the Fourth Proportional to 970,328,522.20, 1,455,492,783.30 and 944,819,354.20

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Solution

The fourth proportional to 970,328,522.20, 1,455,492,783.30 and 944,819,354.20 is: 1,417,229,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,328,522.20 : 1,455,492,783.30 = 944,819,354.20 : x
  2. Step 2: Convert to fraction form
    970,328,522.20/1,455,492,783.30 = 944,819,354.20/x
  3. Step 3: Cross multiply
    970,328,522.20x = 1,455,492,783.30 × 944,819,354.20
  4. Step 4: Simplify right side
    970,328,522.20x = 1,375,177,751,560,266,496
  5. Step 5: Solve for x
    x = 1,375,177,751,560,266,496/970,328,522.20
  6. Step 6: Final answer
    x = 1,417,229,031.30

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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.