Home / 12,692,732,579.40-19,039,098,869.10-11,314,103,766.60

Finding the Fourth Proportional to 12,692,732,579.40, 19,039,098,869.10 and 11,314,103,766.60

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Solution

The fourth proportional to 12,692,732,579.40, 19,039,098,869.10 and 11,314,103,766.60 is: 16,971,155,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692,732,579.40 : 19,039,098,869.10 = 11,314,103,766.60 : x
  2. Step 2: Convert to fraction form
    12,692,732,579.40/19,039,098,869.10 = 11,314,103,766.60/x
  3. Step 3: Cross multiply
    12,692,732,579.40x = 19,039,098,869.10 × 11,314,103,766.60
  4. Step 4: Simplify right side
    12,692,732,579.40x = 215,410,340,227,554,115,584
  5. Step 5: Solve for x
    x = 215,410,340,227,554,115,584/12,692,732,579.40
  6. Step 6: Final answer
    x = 16,971,155,649.90

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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.