Home / 21,761,193,898.80-32,641,790,848.20-7,973,114,180.40

Finding the Fourth Proportional to 21,761,193,898.80, 32,641,790,848.20 and 7,973,114,180.40

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Solution

The fourth proportional to 21,761,193,898.80, 32,641,790,848.20 and 7,973,114,180.40 is: 11,959,671,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761,193,898.80 : 32,641,790,848.20 = 7,973,114,180.40 : x
  2. Step 2: Convert to fraction form
    21,761,193,898.80/32,641,790,848.20 = 7,973,114,180.40/x
  3. Step 3: Cross multiply
    21,761,193,898.80x = 32,641,790,848.20 × 7,973,114,180.40
  4. Step 4: Simplify right side
    21,761,193,898.80x = 260,256,725,485,434,372,096
  5. Step 5: Solve for x
    x = 260,256,725,485,434,372,096/21,761,193,898.80
  6. Step 6: Final answer
    x = 11,959,671,270.60

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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.