Home / 64,888,521,836.92-89,517,635,631.66-39,153,447,238.84

Finding the Fourth Proportional to 64,888,521,836.92, 89,517,635,631.66 and 39,153,447,238.84

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Solution

The fourth proportional to 64,888,521,836.92, 89,517,635,631.66 and 39,153,447,238.84 is: 54,014,545,630.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888,521,836.92 : 89,517,635,631.66 = 39,153,447,238.84 : x
  2. Step 2: Convert to fraction form
    64,888,521,836.92/89,517,635,631.66 = 39,153,447,238.84/x
  3. Step 3: Cross multiply
    64,888,521,836.92x = 89,517,635,631.66 × 39,153,447,238.84
  4. Step 4: Simplify right side
    64,888,521,836.92x = 3,504,924,023,649,903,050,752
  5. Step 5: Solve for x
    x = 3,504,924,023,649,903,050,752/64,888,521,836.92
  6. Step 6: Final answer
    x = 54,014,545,630.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.