Home / 326,600,522.40-490,124,732.40-144,978,045.60

Finding the Fourth Proportional to 326,600,522.40, 490,124,732.40 and 144,978,045.60

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Solution

The fourth proportional to 326,600,522.40, 490,124,732.40 and 144,978,045.60 is: 217,566,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,600,522.40 : 490,124,732.40 = 144,978,045.60 : x
  2. Step 2: Convert to fraction form
    326,600,522.40/490,124,732.40 = 144,978,045.60/x
  3. Step 3: Cross multiply
    326,600,522.40x = 490,124,732.40 × 144,978,045.60
  4. Step 4: Simplify right side
    326,600,522.40x = 71,057,325,803,574,992
  5. Step 5: Solve for x
    x = 71,057,325,803,574,992/326,600,522.40
  6. Step 6: Final answer
    x = 217,566,479.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.