Home / 21,236,974,742,866-29,306,713,249,251-11,861,909,089,815

Finding the Fourth Proportional to 21,236,974,742,866, 29,306,713,249,251 and 11,861,909,089,815

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Solution

The fourth proportional to 21,236,974,742,866, 29,306,713,249,251 and 11,861,909,089,815 is: 16,369,260,334,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,236,974,742,866 : 29,306,713,249,251 = 11,861,909,089,815 : x
  2. Step 2: Convert to fraction form
    21,236,974,742,866/29,306,713,249,251 = 11,861,909,089,815/x
  3. Step 3: Cross multiply
    21,236,974,742,866x = 29,306,713,249,251 × 11,861,909,089,815
  4. Step 4: Simplify right side
    21,236,974,742,866x = 347,633,568,283,892,149,500,510,208
  5. Step 5: Solve for x
    x = 347,633,568,283,892,149,500,510,208/21,236,974,742,866
  6. Step 6: Final answer
    x = 16,369,260,334,533.78

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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.