Home / 266,298,145,343.86-399,406,858,148.20-72,476,313,025.26

Finding the Fourth Proportional to 266,298,145,343.86, 399,406,858,148.20 and 72,476,313,025.26

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Solution

The fourth proportional to 266,298,145,343.86, 399,406,858,148.20 and 72,476,313,025.26 is: 108,703,485,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,298,145,343.86 : 399,406,858,148.20 = 72,476,313,025.26 : x
  2. Step 2: Convert to fraction form
    266,298,145,343.86/399,406,858,148.20 = 72,476,313,025.26/x
  3. Step 3: Cross multiply
    266,298,145,343.86x = 399,406,858,148.20 × 72,476,313,025.26
  4. Step 4: Simplify right side
    266,298,145,343.86x = 28,947,536,475,584,559,316,992
  5. Step 5: Solve for x
    x = 28,947,536,475,584,559,316,992/266,298,145,343.86
  6. Step 6: Final answer
    x = 108,703,485,103.91

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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.