Home / 19,988,749,644.60-29,983,122,646.19-8,796,623,815.90

Finding the Fourth Proportional to 19,988,749,644.60, 29,983,122,646.19 and 8,796,623,815.90

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Solution

The fourth proportional to 19,988,749,644.60, 29,983,122,646.19 and 8,796,623,815.90 is: 13,194,934,922.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988,749,644.60 : 29,983,122,646.19 = 8,796,623,815.90 : x
  2. Step 2: Convert to fraction form
    19,988,749,644.60/29,983,122,646.19 = 8,796,623,815.90/x
  3. Step 3: Cross multiply
    19,988,749,644.60x = 29,983,122,646.19 × 8,796,623,815.90
  4. Step 4: Simplify right side
    19,988,749,644.60x = 263,750,250,744,331,698,176
  5. Step 5: Solve for x
    x = 263,750,250,744,331,698,176/19,988,749,644.60
  6. Step 6: Final answer
    x = 13,194,934,922.59

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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.