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Finding the Fourth Proportional to 630,434,881.20, 943,951,710.60 and 630,434,881.20

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Solution

The fourth proportional to 630,434,881.20, 943,951,710.60 and 630,434,881.20 is: 943,951,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,434,881.20 : 943,951,710.60 = 630,434,881.20 : x
  2. Step 2: Convert to fraction form
    630,434,881.20/943,951,710.60 = 630,434,881.20/x
  3. Step 3: Cross multiply
    630,434,881.20x = 943,951,710.60 × 630,434,881.20
  4. Step 4: Simplify right side
    630,434,881.20x = 595,100,084,530,647,808
  5. Step 5: Solve for x
    x = 595,100,084,530,647,808/630,434,881.20
  6. Step 6: Final answer
    x = 943,951,710.60

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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.