Home / 326,428,802.40-489,910,892.40-323,877,885.60

Finding the Fourth Proportional to 326,428,802.40, 489,910,892.40 and 323,877,885.60

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Solution

The fourth proportional to 326,428,802.40, 489,910,892.40 and 323,877,885.60 is: 486,082,425.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,428,802.40 : 489,910,892.40 = 323,877,885.60 : x
  2. Step 2: Convert to fraction form
    326,428,802.40/489,910,892.40 = 323,877,885.60/x
  3. Step 3: Cross multiply
    326,428,802.40x = 489,910,892.40 × 323,877,885.60
  4. Step 4: Simplify right side
    326,428,802.40x = 158,671,303,962,921,120
  5. Step 5: Solve for x
    x = 158,671,303,962,921,120/326,428,802.40
  6. Step 6: Final answer
    x = 486,082,425.31

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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.