Home / 21,476,218,833.16-29,638,100,558.88-11,960,769,056.76

Finding the Fourth Proportional to 21,476,218,833.16, 29,638,100,558.88 and 11,960,769,056.76

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Solution

The fourth proportional to 21,476,218,833.16, 29,638,100,558.88 and 11,960,769,056.76 is: 16,506,372,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476,218,833.16 : 29,638,100,558.88 = 11,960,769,056.76 : x
  2. Step 2: Convert to fraction form
    21,476,218,833.16/29,638,100,558.88 = 11,960,769,056.76/x
  3. Step 3: Cross multiply
    21,476,218,833.16x = 29,638,100,558.88 × 11,960,769,056.76
  4. Step 4: Simplify right side
    21,476,218,833.16x = 354,494,476,065,793,179,648
  5. Step 5: Solve for x
    x = 354,494,476,065,793,179,648/21,476,218,833.16
  6. Step 6: Final answer
    x = 16,506,372,877.82

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Double scale
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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.