Home / 14,212,657,098.54-19,613,766,039.21-7,782,747,122.70

Finding the Fourth Proportional to 14,212,657,098.54, 19,613,766,039.21 and 7,782,747,122.70

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Solution

The fourth proportional to 14,212,657,098.54, 19,613,766,039.21 and 7,782,747,122.70 is: 10,740,354,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212,657,098.54 : 19,613,766,039.21 = 7,782,747,122.70 : x
  2. Step 2: Convert to fraction form
    14,212,657,098.54/19,613,766,039.21 = 7,782,747,122.70/x
  3. Step 3: Cross multiply
    14,212,657,098.54x = 19,613,766,039.21 × 7,782,747,122.70
  4. Step 4: Simplify right side
    14,212,657,098.54x = 152,648,981,206,972,596,224
  5. Step 5: Solve for x
    x = 152,648,981,206,972,596,224/14,212,657,098.54
  6. Step 6: Final answer
    x = 10,740,354,892.73

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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.