Home / 472,404,893.20-708,607,339.80-406,647,926.80

Finding the Fourth Proportional to 472,404,893.20, 708,607,339.80 and 406,647,926.80

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Solution

The fourth proportional to 472,404,893.20, 708,607,339.80 and 406,647,926.80 is: 609,971,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,404,893.20 : 708,607,339.80 = 406,647,926.80 : x
  2. Step 2: Convert to fraction form
    472,404,893.20/708,607,339.80 = 406,647,926.80/x
  3. Step 3: Cross multiply
    472,404,893.20x = 708,607,339.80 × 406,647,926.80
  4. Step 4: Simplify right side
    472,404,893.20x = 288,153,705,644,933,120
  5. Step 5: Solve for x
    x = 288,153,705,644,933,120/472,404,893.20
  6. Step 6: Final answer
    x = 609,971,890.20

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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.