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Finding the Fourth Proportional to 6,721,521,330.65, 10,082,281,995.98 and 6,721,521,330.65

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Solution

The fourth proportional to 6,721,521,330.65, 10,082,281,995.98 and 6,721,521,330.65 is: 10,082,281,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,521,330.65 : 10,082,281,995.98 = 6,721,521,330.65 : x
  2. Step 2: Convert to fraction form
    6,721,521,330.65/10,082,281,995.98 = 6,721,521,330.65/x
  3. Step 3: Cross multiply
    6,721,521,330.65x = 10,082,281,995.98 × 6,721,521,330.65
  4. Step 4: Simplify right side
    6,721,521,330.65x = 67,768,273,497,574,416,384
  5. Step 5: Solve for x
    x = 67,768,273,497,574,416,384/6,721,521,330.65
  6. Step 6: Final answer
    x = 10,082,281,995.98

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Double scale
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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.