Home / 482,485,367.80-723,728,051.70-402,131,488.60

Finding the Fourth Proportional to 482,485,367.80, 723,728,051.70 and 402,131,488.60

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Solution

The fourth proportional to 482,485,367.80, 723,728,051.70 and 402,131,488.60 is: 603,197,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,485,367.80 : 723,728,051.70 = 402,131,488.60 : x
  2. Step 2: Convert to fraction form
    482,485,367.80/723,728,051.70 = 402,131,488.60/x
  3. Step 3: Cross multiply
    482,485,367.80x = 723,728,051.70 × 402,131,488.60
  4. Step 4: Simplify right side
    482,485,367.80x = 291,033,838,771,698,816
  5. Step 5: Solve for x
    x = 291,033,838,771,698,816/482,485,367.80
  6. Step 6: Final answer
    x = 603,197,232.90

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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.