Home / 339,697,220.40-509,545,830.60-203,312,401.20

Finding the Fourth Proportional to 339,697,220.40, 509,545,830.60 and 203,312,401.20

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Solution

The fourth proportional to 339,697,220.40, 509,545,830.60 and 203,312,401.20 is: 304,968,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,697,220.40 : 509,545,830.60 = 203,312,401.20 : x
  2. Step 2: Convert to fraction form
    339,697,220.40/509,545,830.60 = 203,312,401.20/x
  3. Step 3: Cross multiply
    339,697,220.40x = 509,545,830.60 × 203,312,401.20
  4. Step 4: Simplify right side
    339,697,220.40x = 103,596,986,340,734,432
  5. Step 5: Solve for x
    x = 103,596,986,340,734,432/339,697,220.40
  6. Step 6: Final answer
    x = 304,968,601.80

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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.