Home / 515,082,353.61-772,628,201.01-146,617,161.06

Finding the Fourth Proportional to 515,082,353.61, 772,628,201.01 and 146,617,161.06

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Solution

The fourth proportional to 515,082,353.61, 772,628,201.01 and 146,617,161.06 is: 219,927,071.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,082,353.61 : 772,628,201.01 = 146,617,161.06 : x
  2. Step 2: Convert to fraction form
    515,082,353.61/772,628,201.01 = 146,617,161.06/x
  3. Step 3: Cross multiply
    515,082,353.61x = 772,628,201.01 × 146,617,161.06
  4. Step 4: Simplify right side
    515,082,353.61x = 113,280,553,386,981,232
  5. Step 5: Solve for x
    x = 113,280,553,386,981,232/515,082,353.61
  6. Step 6: Final answer
    x = 219,927,071.07

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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.