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Finding the Fourth Proportional to 630,565,364.80, 945,848,047.20 and 630,565,364.80

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Solution

The fourth proportional to 630,565,364.80, 945,848,047.20 and 630,565,364.80 is: 945,848,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,565,364.80 : 945,848,047.20 = 630,565,364.80 : x
  2. Step 2: Convert to fraction form
    630,565,364.80/945,848,047.20 = 630,565,364.80/x
  3. Step 3: Cross multiply
    630,565,364.80x = 945,848,047.20 × 630,565,364.80
  4. Step 4: Simplify right side
    630,565,364.80x = 596,419,018,928,035,584
  5. Step 5: Solve for x
    x = 596,419,018,928,035,584/630,565,364.80
  6. Step 6: Final answer
    x = 945,848,047.20

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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.