Home / 21,236,974,742,529-29,306,713,248,789-11,861,909,089,481

Finding the Fourth Proportional to 21,236,974,742,529, 29,306,713,248,789 and 11,861,909,089,481

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Solution

The fourth proportional to 21,236,974,742,529, 29,306,713,248,789 and 11,861,909,089,481 is: 16,369,260,334,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,236,974,742,529 : 29,306,713,248,789 = 11,861,909,089,481 : x
  2. Step 2: Convert to fraction form
    21,236,974,742,529/29,306,713,248,789 = 11,861,909,089,481/x
  3. Step 3: Cross multiply
    21,236,974,742,529x = 29,306,713,248,789 × 11,861,909,089,481
  4. Step 4: Simplify right side
    21,236,974,742,529x = 347,633,568,268,623,506,403,491,840
  5. Step 5: Solve for x
    x = 347,633,568,268,623,506,403,491,840/21,236,974,742,529
  6. Step 6: Final answer
    x = 16,369,260,334,074.57

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Double scale
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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.