Home / 324,789,657.60-487,184,486.40-82,452,561.60

Finding the Fourth Proportional to 324,789,657.60, 487,184,486.40 and 82,452,561.60

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Solution

The fourth proportional to 324,789,657.60, 487,184,486.40 and 82,452,561.60 is: 123,678,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,789,657.60 : 487,184,486.40 = 82,452,561.60 : x
  2. Step 2: Convert to fraction form
    324,789,657.60/487,184,486.40 = 82,452,561.60/x
  3. Step 3: Cross multiply
    324,789,657.60x = 487,184,486.40 × 82,452,561.60
  4. Step 4: Simplify right side
    324,789,657.60x = 40,169,608,875,460,360
  5. Step 5: Solve for x
    x = 40,169,608,875,460,360/324,789,657.60
  6. Step 6: Final answer
    x = 123,678,842.40

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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.