Home / 326,602,725.40-489,337,217.70-211,528,034.20

Finding the Fourth Proportional to 326,602,725.40, 489,337,217.70 and 211,528,034.20

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Solution

The fourth proportional to 326,602,725.40, 489,337,217.70 and 211,528,034.20 is: 316,924,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,602,725.40 : 489,337,217.70 = 211,528,034.20 : x
  2. Step 2: Convert to fraction form
    326,602,725.40/489,337,217.70 = 211,528,034.20/x
  3. Step 3: Cross multiply
    326,602,725.40x = 489,337,217.70 × 211,528,034.20
  4. Step 4: Simplify right side
    326,602,725.40x = 103,508,539,720,978,432
  5. Step 5: Solve for x
    x = 103,508,539,720,978,432/326,602,725.40
  6. Step 6: Final answer
    x = 316,924,911.13

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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.