Home / 603,616,021.70-905,424,032.55-328,117,007.30

Finding the Fourth Proportional to 603,616,021.70, 905,424,032.55 and 328,117,007.30

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Solution

The fourth proportional to 603,616,021.70, 905,424,032.55 and 328,117,007.30 is: 492,175,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,616,021.70 : 905,424,032.55 = 328,117,007.30 : x
  2. Step 2: Convert to fraction form
    603,616,021.70/905,424,032.55 = 328,117,007.30/x
  3. Step 3: Cross multiply
    603,616,021.70x = 905,424,032.55 × 328,117,007.30
  4. Step 4: Simplify right side
    603,616,021.70x = 297,085,023,897,803,776
  5. Step 5: Solve for x
    x = 297,085,023,897,803,776/603,616,021.70
  6. Step 6: Final answer
    x = 492,175,510.95

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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.