Home / 427,992,802.29-641,786,826.74-165,800,157.16

Finding the Fourth Proportional to 427,992,802.29, 641,786,826.74 and 165,800,157.16

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Solution

The fourth proportional to 427,992,802.29, 641,786,826.74 and 165,800,157.16 is: 248,621,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,992,802.29 : 641,786,826.74 = 165,800,157.16 : x
  2. Step 2: Convert to fraction form
    427,992,802.29/641,786,826.74 = 165,800,157.16/x
  3. Step 3: Cross multiply
    427,992,802.29x = 641,786,826.74 × 165,800,157.16
  4. Step 4: Simplify right side
    427,992,802.29x = 106,408,356,736,709,696
  5. Step 5: Solve for x
    x = 106,408,356,736,709,696/427,992,802.29
  6. Step 6: Final answer
    x = 248,621,837.02

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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.