Home / 76,784,998,538.40-115,177,497,807.60-39,592,631,594.40

Finding the Fourth Proportional to 76,784,998,538.40, 115,177,497,807.60 and 39,592,631,594.40

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Solution

The fourth proportional to 76,784,998,538.40, 115,177,497,807.60 and 39,592,631,594.40 is: 59,388,947,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,784,998,538.40 : 115,177,497,807.60 = 39,592,631,594.40 : x
  2. Step 2: Convert to fraction form
    76,784,998,538.40/115,177,497,807.60 = 39,592,631,594.40/x
  3. Step 3: Cross multiply
    76,784,998,538.40x = 115,177,497,807.60 × 39,592,631,594.40
  4. Step 4: Simplify right side
    76,784,998,538.40x = 4,560,180,238,661,120,950,272
  5. Step 5: Solve for x
    x = 4,560,180,238,661,120,950,272/76,784,998,538.40
  6. Step 6: Final answer
    x = 59,388,947,391.60

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Double scale
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Similar ratio
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1.5x scale

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.