Home / 419,904,937.40-629,857,406.10-366,157,225.40

Finding the Fourth Proportional to 419,904,937.40, 629,857,406.10 and 366,157,225.40

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Solution

The fourth proportional to 419,904,937.40, 629,857,406.10 and 366,157,225.40 is: 549,235,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,937.40 : 629,857,406.10 = 366,157,225.40 : x
  2. Step 2: Convert to fraction form
    419,904,937.40/629,857,406.10 = 366,157,225.40/x
  3. Step 3: Cross multiply
    419,904,937.40x = 629,857,406.10 × 366,157,225.40
  4. Step 4: Simplify right side
    419,904,937.40x = 230,626,840,215,217,024
  5. Step 5: Solve for x
    x = 230,626,840,215,217,024/419,904,937.40
  6. Step 6: Final answer
    x = 549,235,838.10

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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.