Home / 510,171,508.56-764,801,551.84-199,206,779.16

Finding the Fourth Proportional to 510,171,508.56, 764,801,551.84 and 199,206,779.16

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Solution

The fourth proportional to 510,171,508.56, 764,801,551.84 and 199,206,779.16 is: 298,632,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,171,508.56 : 764,801,551.84 = 199,206,779.16 : x
  2. Step 2: Convert to fraction form
    510,171,508.56/764,801,551.84 = 199,206,779.16/x
  3. Step 3: Cross multiply
    510,171,508.56x = 764,801,551.84 × 199,206,779.16
  4. Step 4: Simplify right side
    510,171,508.56x = 152,353,653,838,616,160
  5. Step 5: Solve for x
    x = 152,353,653,838,616,160/510,171,508.56
  6. Step 6: Final answer
    x = 298,632,227.17

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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.