Home / 14,270,220,824.78-19,688,461,917.81-8,246,531,730.08

Finding the Fourth Proportional to 14,270,220,824.78, 19,688,461,917.81 and 8,246,531,730.08

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Solution

The fourth proportional to 14,270,220,824.78, 19,688,461,917.81 and 8,246,531,730.08 is: 11,377,646,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270,220,824.78 : 19,688,461,917.81 = 8,246,531,730.08 : x
  2. Step 2: Convert to fraction form
    14,270,220,824.78/19,688,461,917.81 = 8,246,531,730.08/x
  3. Step 3: Cross multiply
    14,270,220,824.78x = 19,688,461,917.81 × 8,246,531,730.08
  4. Step 4: Simplify right side
    14,270,220,824.78x = 162,361,525,921,691,893,760
  5. Step 5: Solve for x
    x = 162,361,525,921,691,893,760/14,270,220,824.78
  6. Step 6: Final answer
    x = 11,377,646,352.87

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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.