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Finding the Fourth Proportional to 637,863,145.60, 893,613,065.60 and 637,863,145.60

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Solution

The fourth proportional to 637,863,145.60, 893,613,065.60 and 637,863,145.60 is: 893,613,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,863,145.60 : 893,613,065.60 = 637,863,145.60 : x
  2. Step 2: Convert to fraction form
    637,863,145.60/893,613,065.60 = 637,863,145.60/x
  3. Step 3: Cross multiply
    637,863,145.60x = 893,613,065.60 × 637,863,145.60
  4. Step 4: Simplify right side
    637,863,145.60x = 570,002,840,972,875,200
  5. Step 5: Solve for x
    x = 570,002,840,972,875,200/637,863,145.60
  6. Step 6: Final answer
    x = 893,613,065.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.