Home / 359,590,648.40-539,385,972.60-321,295,403.60

Finding the Fourth Proportional to 359,590,648.40, 539,385,972.60 and 321,295,403.60

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Solution

The fourth proportional to 359,590,648.40, 539,385,972.60 and 321,295,403.60 is: 481,943,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,590,648.40 : 539,385,972.60 = 321,295,403.60 : x
  2. Step 2: Convert to fraction form
    359,590,648.40/539,385,972.60 = 321,295,403.60/x
  3. Step 3: Cross multiply
    359,590,648.40x = 539,385,972.60 × 321,295,403.60
  4. Step 4: Simplify right side
    359,590,648.40x = 173,302,233,762,695,552
  5. Step 5: Solve for x
    x = 173,302,233,762,695,552/359,590,648.40
  6. Step 6: Final answer
    x = 481,943,105.40

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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.