Home / 326,798,114.40-489,630,301.20-211,723,423.20

Finding the Fourth Proportional to 326,798,114.40, 489,630,301.20 and 211,723,423.20

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Solution

The fourth proportional to 326,798,114.40, 489,630,301.20 and 211,723,423.20 is: 317,217,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,798,114.40 : 489,630,301.20 = 211,723,423.20 : x
  2. Step 2: Convert to fraction form
    326,798,114.40/489,630,301.20 = 211,723,423.20/x
  3. Step 3: Cross multiply
    326,798,114.40x = 489,630,301.20 × 211,723,423.20
  4. Step 4: Simplify right side
    326,798,114.40x = 103,666,203,472,511,056
  5. Step 5: Solve for x
    x = 103,666,203,472,511,056/326,798,114.40
  6. Step 6: Final answer
    x = 317,217,875.21

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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.