Home / 740,165,501.56-1,021,428,398.94-410,140,640.44

Finding the Fourth Proportional to 740,165,501.56, 1,021,428,398.94 and 410,140,640.44

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Solution

The fourth proportional to 740,165,501.56, 1,021,428,398.94 and 410,140,640.44 is: 565,994,087.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,165,501.56 : 1,021,428,398.94 = 410,140,640.44 : x
  2. Step 2: Convert to fraction form
    740,165,501.56/1,021,428,398.94 = 410,140,640.44/x
  3. Step 3: Cross multiply
    740,165,501.56x = 1,021,428,398.94 × 410,140,640.44
  4. Step 4: Simplify right side
    740,165,501.56x = 418,929,297,704,855,424
  5. Step 5: Solve for x
    x = 418,929,297,704,855,424/740,165,501.56
  6. Step 6: Final answer
    x = 565,994,087.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.