Home / 1,621,500,514.90-2,431,621,958.90-557,721,092.65

Finding the Fourth Proportional to 1,621,500,514.90, 2,431,621,958.90 and 557,721,092.65

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Solution

The fourth proportional to 1,621,500,514.90, 2,431,621,958.90 and 557,721,092.65 is: 836,365,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,500,514.90 : 2,431,621,958.90 = 557,721,092.65 : x
  2. Step 2: Convert to fraction form
    1,621,500,514.90/2,431,621,958.90 = 557,721,092.65/x
  3. Step 3: Cross multiply
    1,621,500,514.90x = 2,431,621,958.90 × 557,721,092.65
  4. Step 4: Simplify right side
    1,621,500,514.90x = 1,356,166,855,824,756,736
  5. Step 5: Solve for x
    x = 1,356,166,855,824,756,736/1,621,500,514.90
  6. Step 6: Final answer
    x = 836,365,356.26

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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.