Home / 411,566,719.61-617,471,354.93-165,796,886.54

Finding the Fourth Proportional to 411,566,719.61, 617,471,354.93 and 165,796,886.54

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Solution

The fourth proportional to 411,566,719.61, 617,471,354.93 and 165,796,886.54 is: 248,744,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,566,719.61 : 617,471,354.93 = 165,796,886.54 : x
  2. Step 2: Convert to fraction form
    411,566,719.61/617,471,354.93 = 165,796,886.54/x
  3. Step 3: Cross multiply
    411,566,719.61x = 617,471,354.93 × 165,796,886.54
  4. Step 4: Simplify right side
    411,566,719.61x = 102,374,828,171,112,928
  5. Step 5: Solve for x
    x = 102,374,828,171,112,928/411,566,719.61
  6. Step 6: Final answer
    x = 248,744,184.83

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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.