Home / 412,621,635,624.95-619,215,173,086.45-144,010,615,753.68

Finding the Fourth Proportional to 412,621,635,624.95, 619,215,173,086.45 and 144,010,615,753.68

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Solution

The fourth proportional to 412,621,635,624.95, 619,215,173,086.45 and 144,010,615,753.68 is: 216,114,596,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,621,635,624.95 : 619,215,173,086.45 = 144,010,615,753.68 : x
  2. Step 2: Convert to fraction form
    412,621,635,624.95/619,215,173,086.45 = 144,010,615,753.68/x
  3. Step 3: Cross multiply
    412,621,635,624.95x = 619,215,173,086.45 × 144,010,615,753.68
  4. Step 4: Simplify right side
    412,621,635,624.95x = 89,173,558,360,201,192,538,112
  5. Step 5: Solve for x
    x = 89,173,558,360,201,192,538,112/412,621,635,624.95
  6. Step 6: Final answer
    x = 216,114,596,669.51

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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.