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Finding the Fourth Proportional to 850,744,186.65, 1,276,116,279.98 and 850,744,186.65

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Solution

The fourth proportional to 850,744,186.65, 1,276,116,279.98 and 850,744,186.65 is: 1,276,116,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,744,186.65 : 1,276,116,279.98 = 850,744,186.65 : x
  2. Step 2: Convert to fraction form
    850,744,186.65/1,276,116,279.98 = 850,744,186.65/x
  3. Step 3: Cross multiply
    850,744,186.65x = 1,276,116,279.98 × 850,744,186.65
  4. Step 4: Simplify right side
    850,744,186.65x = 1,085,648,506,678,155,008
  5. Step 5: Solve for x
    x = 1,085,648,506,678,155,008/850,744,186.65
  6. Step 6: Final answer
    x = 1,276,116,279.98

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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.