Home / 326,600,824.77-489,094,609.37-243,403,071.92

Finding the Fourth Proportional to 326,600,824.77, 489,094,609.37 and 243,403,071.92

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Solution

The fourth proportional to 326,600,824.77, 489,094,609.37 and 243,403,071.92 is: 364,503,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,600,824.77 : 489,094,609.37 = 243,403,071.92 : x
  2. Step 2: Convert to fraction form
    326,600,824.77/489,094,609.37 = 243,403,071.92/x
  3. Step 3: Cross multiply
    326,600,824.77x = 489,094,609.37 × 243,403,071.92
  4. Step 4: Simplify right side
    326,600,824.77x = 119,047,130,380,066,928
  5. Step 5: Solve for x
    x = 119,047,130,380,066,928/326,600,824.77
  6. Step 6: Final answer
    x = 364,503,459.12

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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.