Home / 64,888,521,835.92-89,517,635,630.28-39,153,447,237.84

Finding the Fourth Proportional to 64,888,521,835.92, 89,517,635,630.28 and 39,153,447,237.84

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Solution

The fourth proportional to 64,888,521,835.92, 89,517,635,630.28 and 39,153,447,237.84 is: 54,014,545,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888,521,835.92 : 89,517,635,630.28 = 39,153,447,237.84 : x
  2. Step 2: Convert to fraction form
    64,888,521,835.92/89,517,635,630.28 = 39,153,447,237.84/x
  3. Step 3: Cross multiply
    64,888,521,835.92x = 89,517,635,630.28 × 39,153,447,237.84
  4. Step 4: Simplify right side
    64,888,521,835.92x = 3,504,924,023,506,353,520,640
  5. Step 5: Solve for x
    x = 3,504,924,023,506,353,520,640/64,888,521,835.92
  6. Step 6: Final answer
    x = 54,014,545,629.03

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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.