Home / 28,022,962,010.70-38,671,662,590.46-15,818,236,077.60

Finding the Fourth Proportional to 28,022,962,010.70, 38,671,662,590.46 and 15,818,236,077.60

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Solution

The fourth proportional to 28,022,962,010.70, 38,671,662,590.46 and 15,818,236,077.60 is: 21,829,151,684.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022,962,010.70 : 38,671,662,590.46 = 15,818,236,077.60 : x
  2. Step 2: Convert to fraction form
    28,022,962,010.70/38,671,662,590.46 = 15,818,236,077.60/x
  3. Step 3: Cross multiply
    28,022,962,010.70x = 38,671,662,590.46 × 15,818,236,077.60
  4. Step 4: Simplify right side
    28,022,962,010.70x = 611,717,488,369,188,601,856
  5. Step 5: Solve for x
    x = 611,717,488,369,188,601,856/28,022,962,010.70
  6. Step 6: Final answer
    x = 21,829,151,684.09

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1.5x scale

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.