Home / 603,402,201.80-905,103,302.70-215,662,848.20

Finding the Fourth Proportional to 603,402,201.80, 905,103,302.70 and 215,662,848.20

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Solution

The fourth proportional to 603,402,201.80, 905,103,302.70 and 215,662,848.20 is: 323,494,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,402,201.80 : 905,103,302.70 = 215,662,848.20 : x
  2. Step 2: Convert to fraction form
    603,402,201.80/905,103,302.70 = 215,662,848.20/x
  3. Step 3: Cross multiply
    603,402,201.80x = 905,103,302.70 × 215,662,848.20
  4. Step 4: Simplify right side
    603,402,201.80x = 195,197,156,175,508,736
  5. Step 5: Solve for x
    x = 195,197,156,175,508,736/603,402,201.80
  6. Step 6: Final answer
    x = 323,494,272.30

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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.