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Finding the Fourth Proportional to 1,270,560,928.02, 1,753,426,794.42 and 706,043,701.78

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Solution

The fourth proportional to 1,270,560,928.02, 1,753,426,794.42 and 706,043,701.78 is: 974,369,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,560,928.02 : 1,753,426,794.42 = 706,043,701.78 : x
  2. Step 2: Convert to fraction form
    1,270,560,928.02/1,753,426,794.42 = 706,043,701.78/x
  3. Step 3: Cross multiply
    1,270,560,928.02x = 1,753,426,794.42 × 706,043,701.78
  4. Step 4: Simplify right side
    1,270,560,928.02x = 1,237,995,944,732,535,808
  5. Step 5: Solve for x
    x = 1,237,995,944,732,535,808/1,270,560,928.02
  6. Step 6: Final answer
    x = 974,369,601.20

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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.