Home / 825,856,266.60-1,238,784,399.90-476,699,529.60

Finding the Fourth Proportional to 825,856,266.60, 1,238,784,399.90 and 476,699,529.60

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Solution

The fourth proportional to 825,856,266.60, 1,238,784,399.90 and 476,699,529.60 is: 715,049,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,856,266.60 : 1,238,784,399.90 = 476,699,529.60 : x
  2. Step 2: Convert to fraction form
    825,856,266.60/1,238,784,399.90 = 476,699,529.60/x
  3. Step 3: Cross multiply
    825,856,266.60x = 1,238,784,399.90 × 476,699,529.60
  4. Step 4: Simplify right side
    825,856,266.60x = 590,527,940,708,148,352
  5. Step 5: Solve for x
    x = 590,527,940,708,148,352/825,856,266.60
  6. Step 6: Final answer
    x = 715,049,294.40

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Double scale
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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.