Home / 21,708,243,529.74-32,548,428,911.70-8,429,352,460.56

Finding the Fourth Proportional to 21,708,243,529.74, 32,548,428,911.70 and 8,429,352,460.56

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Solution

The fourth proportional to 21,708,243,529.74, 32,548,428,911.70 and 8,429,352,460.56 is: 12,638,617,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708,243,529.74 : 32,548,428,911.70 = 8,429,352,460.56 : x
  2. Step 2: Convert to fraction form
    21,708,243,529.74/32,548,428,911.70 = 8,429,352,460.56/x
  3. Step 3: Cross multiply
    21,708,243,529.74x = 32,548,428,911.70 × 8,429,352,460.56
  4. Step 4: Simplify right side
    21,708,243,529.74x = 274,362,179,334,200,655,872
  5. Step 5: Solve for x
    x = 274,362,179,334,200,655,872/21,708,243,529.74
  6. Step 6: Final answer
    x = 12,638,617,166.71

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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.