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Finding the Fourth Proportional to 488,721,946.65, 733,082,919.98 and 488,721,946.65

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Solution

The fourth proportional to 488,721,946.65, 733,082,919.98 and 488,721,946.65 is: 733,082,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,721,946.65 : 733,082,919.98 = 488,721,946.65 : x
  2. Step 2: Convert to fraction form
    488,721,946.65/733,082,919.98 = 488,721,946.65/x
  3. Step 3: Cross multiply
    488,721,946.65x = 733,082,919.98 × 488,721,946.65
  4. Step 4: Simplify right side
    488,721,946.65x = 358,273,711,706,048,192
  5. Step 5: Solve for x
    x = 358,273,711,706,048,192/488,721,946.65
  6. Step 6: Final answer
    x = 733,082,919.98

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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.