Home / 81,648,345,645.20-122,375,772,586.20-34,484,728,365.20

Finding the Fourth Proportional to 81,648,345,645.20, 122,375,772,586.20 and 34,484,728,365.20

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Solution

The fourth proportional to 81,648,345,645.20, 122,375,772,586.20 and 34,484,728,365.20 is: 51,686,231,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,648,345,645.20 : 122,375,772,586.20 = 34,484,728,365.20 : x
  2. Step 2: Convert to fraction form
    81,648,345,645.20/122,375,772,586.20 = 34,484,728,365.20/x
  3. Step 3: Cross multiply
    81,648,345,645.20x = 122,375,772,586.20 × 34,484,728,365.20
  4. Step 4: Simplify right side
    81,648,345,645.20x = 4,220,095,276,116,595,441,664
  5. Step 5: Solve for x
    x = 4,220,095,276,116,595,441,664/81,648,345,645.20
  6. Step 6: Final answer
    x = 51,686,231,273.50

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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.