Home / 508,804,020.07-702,232,847.69-423,896,491.06

Finding the Fourth Proportional to 508,804,020.07, 702,232,847.69 and 423,896,491.06

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Solution

The fourth proportional to 508,804,020.07, 702,232,847.69 and 423,896,491.06 is: 585,046,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,804,020.07 : 702,232,847.69 = 423,896,491.06 : x
  2. Step 2: Convert to fraction form
    508,804,020.07/702,232,847.69 = 423,896,491.06/x
  3. Step 3: Cross multiply
    508,804,020.07x = 702,232,847.69 × 423,896,491.06
  4. Step 4: Simplify right side
    508,804,020.07x = 297,674,040,042,862,464
  5. Step 5: Solve for x
    x = 297,674,040,042,862,464/508,804,020.07
  6. Step 6: Final answer
    x = 585,046,556.83

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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.