Home / 326,559,941.40-489,168,065.70-165,092,856.60

Finding the Fourth Proportional to 326,559,941.40, 489,168,065.70 and 165,092,856.60

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Solution

The fourth proportional to 326,559,941.40, 489,168,065.70 and 165,092,856.60 is: 247,299,631.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,559,941.40 : 489,168,065.70 = 165,092,856.60 : x
  2. Step 2: Convert to fraction form
    326,559,941.40/489,168,065.70 = 165,092,856.60/x
  3. Step 3: Cross multiply
    326,559,941.40x = 489,168,065.70 × 165,092,856.60
  4. Step 4: Simplify right side
    326,559,941.40x = 80,758,153,323,909,472
  5. Step 5: Solve for x
    x = 80,758,153,323,909,472/326,559,941.40
  6. Step 6: Final answer
    x = 247,299,631.97

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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.