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Finding the Fourth Proportional to 1,070,375,196.60, 1,605,562,794.90 and 958,134,857.40

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Solution

The fourth proportional to 1,070,375,196.60, 1,605,562,794.90 and 958,134,857.40 is: 1,437,202,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,375,196.60 : 1,605,562,794.90 = 958,134,857.40 : x
  2. Step 2: Convert to fraction form
    1,070,375,196.60/1,605,562,794.90 = 958,134,857.40/x
  3. Step 3: Cross multiply
    1,070,375,196.60x = 1,605,562,794.90 × 958,134,857.40
  4. Step 4: Simplify right side
    1,070,375,196.60x = 1,538,345,679,538,256,896
  5. Step 5: Solve for x
    x = 1,538,345,679,538,256,896/1,070,375,196.60
  6. Step 6: Final answer
    x = 1,437,202,286.10

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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.