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Finding the Fourth Proportional to 882,334,009.60, 1,320,950,097.60 and 856,824,841.60

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Solution

The fourth proportional to 882,334,009.60, 1,320,950,097.60 and 856,824,841.60 is: 1,282,760,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,334,009.60 : 1,320,950,097.60 = 856,824,841.60 : x
  2. Step 2: Convert to fraction form
    882,334,009.60/1,320,950,097.60 = 856,824,841.60/x
  3. Step 3: Cross multiply
    882,334,009.60x = 1,320,950,097.60 × 856,824,841.60
  4. Step 4: Simplify right side
    882,334,009.60x = 1,131,822,858,137,624,448
  5. Step 5: Solve for x
    x = 1,131,822,858,137,624,448/882,334,009.60
  6. Step 6: Final answer
    x = 1,282,760,095.18

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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.