Home / 31,850,515,246.40-47,775,772,869.60-19,467,042,401.60

Finding the Fourth Proportional to 31,850,515,246.40, 47,775,772,869.60 and 19,467,042,401.60

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Solution

The fourth proportional to 31,850,515,246.40, 47,775,772,869.60 and 19,467,042,401.60 is: 29,200,563,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,850,515,246.40 : 47,775,772,869.60 = 19,467,042,401.60 : x
  2. Step 2: Convert to fraction form
    31,850,515,246.40/47,775,772,869.60 = 19,467,042,401.60/x
  3. Step 3: Cross multiply
    31,850,515,246.40x = 47,775,772,869.60 × 19,467,042,401.60
  4. Step 4: Simplify right side
    31,850,515,246.40x = 930,052,996,221,714,038,784
  5. Step 5: Solve for x
    x = 930,052,996,221,714,038,784/31,850,515,246.40
  6. Step 6: Final answer
    x = 29,200,563,602.40

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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.