Home / 603,402,330.30-905,103,495.45-215,662,976.70

Finding the Fourth Proportional to 603,402,330.30, 905,103,495.45 and 215,662,976.70

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Solution

The fourth proportional to 603,402,330.30, 905,103,495.45 and 215,662,976.70 is: 323,494,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,402,330.30 : 905,103,495.45 = 215,662,976.70 : x
  2. Step 2: Convert to fraction form
    603,402,330.30/905,103,495.45 = 215,662,976.70/x
  3. Step 3: Cross multiply
    603,402,330.30x = 905,103,495.45 × 215,662,976.70
  4. Step 4: Simplify right side
    603,402,330.30x = 195,197,314,050,321,920
  5. Step 5: Solve for x
    x = 195,197,314,050,321,920/603,402,330.30
  6. Step 6: Final answer
    x = 323,494,465.05

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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.