Home / 674,048,605.78-930,190,515.69-376,695,810.82

Finding the Fourth Proportional to 674,048,605.78, 930,190,515.69 and 376,695,810.82

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Solution

The fourth proportional to 674,048,605.78, 930,190,515.69 and 376,695,810.82 is: 519,842,141.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,048,605.78 : 930,190,515.69 = 376,695,810.82 : x
  2. Step 2: Convert to fraction form
    674,048,605.78/930,190,515.69 = 376,695,810.82/x
  3. Step 3: Cross multiply
    674,048,605.78x = 930,190,515.69 × 376,695,810.82
  4. Step 4: Simplify right side
    674,048,605.78x = 350,398,870,524,918,528
  5. Step 5: Solve for x
    x = 350,398,870,524,918,528/674,048,605.78
  6. Step 6: Final answer
    x = 519,842,141.23

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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.