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Finding the Fourth Proportional to 1,270,560,926.02, 1,753,426,791.66 and 706,043,699.78

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Solution

The fourth proportional to 1,270,560,926.02, 1,753,426,791.66 and 706,043,699.78 is: 974,369,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,560,926.02 : 1,753,426,791.66 = 706,043,699.78 : x
  2. Step 2: Convert to fraction form
    1,270,560,926.02/1,753,426,791.66 = 706,043,699.78/x
  3. Step 3: Cross multiply
    1,270,560,926.02x = 1,753,426,791.66 × 706,043,699.78
  4. Step 4: Simplify right side
    1,270,560,926.02x = 1,237,995,939,277,001,728
  5. Step 5: Solve for x
    x = 1,237,995,939,277,001,728/1,270,560,926.02
  6. Step 6: Final answer
    x = 974,369,598.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.