Home / 326,011,504.60-489,017,256.90-293,762,877.40

Finding the Fourth Proportional to 326,011,504.60, 489,017,256.90 and 293,762,877.40

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Solution

The fourth proportional to 326,011,504.60, 489,017,256.90 and 293,762,877.40 is: 440,644,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,011,504.60 : 489,017,256.90 = 293,762,877.40 : x
  2. Step 2: Convert to fraction form
    326,011,504.60/489,017,256.90 = 293,762,877.40/x
  3. Step 3: Cross multiply
    326,011,504.60x = 489,017,256.90 × 293,762,877.40
  4. Step 4: Simplify right side
    326,011,504.60x = 143,655,116,485,198,992
  5. Step 5: Solve for x
    x = 143,655,116,485,198,992/326,011,504.60
  6. Step 6: Final answer
    x = 440,644,316.10

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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.