Home / 13,100,815,592.19-19,631,226,903.71-7,778,446,926.97

Finding the Fourth Proportional to 13,100,815,592.19, 19,631,226,903.71 and 7,778,446,926.97

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Solution

The fourth proportional to 13,100,815,592.19, 19,631,226,903.71 and 7,778,446,926.97 is: 11,655,797,725.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100,815,592.19 : 19,631,226,903.71 = 7,778,446,926.97 : x
  2. Step 2: Convert to fraction form
    13,100,815,592.19/19,631,226,903.71 = 7,778,446,926.97/x
  3. Step 3: Cross multiply
    13,100,815,592.19x = 19,631,226,903.71 × 7,778,446,926.97
  4. Step 4: Simplify right side
    13,100,815,592.19x = 152,700,456,581,749,211,136
  5. Step 5: Solve for x
    x = 152,700,456,581,749,211,136/13,100,815,592.19
  6. Step 6: Final answer
    x = 11,655,797,725.50

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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.