Home / 51,286,622,448.30-76,929,933,672.45-21,845,641,353.90

Finding the Fourth Proportional to 51,286,622,448.30, 76,929,933,672.45 and 21,845,641,353.90

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Solution

The fourth proportional to 51,286,622,448.30, 76,929,933,672.45 and 21,845,641,353.90 is: 32,768,462,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,286,622,448.30 : 76,929,933,672.45 = 21,845,641,353.90 : x
  2. Step 2: Convert to fraction form
    51,286,622,448.30/76,929,933,672.45 = 21,845,641,353.90/x
  3. Step 3: Cross multiply
    51,286,622,448.30x = 76,929,933,672.45 × 21,845,641,353.90
  4. Step 4: Simplify right side
    51,286,622,448.30x = 1,680,583,740,387,657,777,152
  5. Step 5: Solve for x
    x = 1,680,583,740,387,657,777,152/51,286,622,448.30
  6. Step 6: Final answer
    x = 32,768,462,030.85

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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.