Home / 523,436,609.36-785,154,809.72-140,484,161.36

Finding the Fourth Proportional to 523,436,609.36, 785,154,809.72 and 140,484,161.36

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Solution

The fourth proportional to 523,436,609.36, 785,154,809.72 and 140,484,161.36 is: 210,726,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,436,609.36 : 785,154,809.72 = 140,484,161.36 : x
  2. Step 2: Convert to fraction form
    523,436,609.36/785,154,809.72 = 140,484,161.36/x
  3. Step 3: Cross multiply
    523,436,609.36x = 785,154,809.72 × 140,484,161.36
  4. Step 4: Simplify right side
    523,436,609.36x = 110,301,814,981,284,592
  5. Step 5: Solve for x
    x = 110,301,814,981,284,592/523,436,609.36
  6. Step 6: Final answer
    x = 210,726,214.04

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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.