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Finding the Fourth Proportional to 633,312,011.70, 949,968,017.55 and 633,312,011.70

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Solution

The fourth proportional to 633,312,011.70, 949,968,017.55 and 633,312,011.70 is: 949,968,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,312,011.70 : 949,968,017.55 = 633,312,011.70 : x
  2. Step 2: Convert to fraction form
    633,312,011.70/949,968,017.55 = 633,312,011.70/x
  3. Step 3: Cross multiply
    633,312,011.70x = 949,968,017.55 × 633,312,011.70
  4. Step 4: Simplify right side
    633,312,011.70x = 601,626,156,245,251,456
  5. Step 5: Solve for x
    x = 601,626,156,245,251,456/633,312,011.70
  6. Step 6: Final answer
    x = 949,968,017.55

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Half scale
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Double scale
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Similar ratio
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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.