Home / 12,542,688,026.60-18,814,032,039.90-10,220,786,868.20

Finding the Fourth Proportional to 12,542,688,026.60, 18,814,032,039.90 and 10,220,786,868.20

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Solution

The fourth proportional to 12,542,688,026.60, 18,814,032,039.90 and 10,220,786,868.20 is: 15,331,180,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542,688,026.60 : 18,814,032,039.90 = 10,220,786,868.20 : x
  2. Step 2: Convert to fraction form
    12,542,688,026.60/18,814,032,039.90 = 10,220,786,868.20/x
  3. Step 3: Cross multiply
    12,542,688,026.60x = 18,814,032,039.90 × 10,220,786,868.20
  4. Step 4: Simplify right side
    12,542,688,026.60x = 192,294,211,611,304,001,536
  5. Step 5: Solve for x
    x = 192,294,211,611,304,001,536/12,542,688,026.60
  6. Step 6: Final answer
    x = 15,331,180,302.30

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Double scale
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Similar ratio
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1.5x scale

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.