Home / 508,804,018.57-702,232,845.62-423,896,489.56

Finding the Fourth Proportional to 508,804,018.57, 702,232,845.62 and 423,896,489.56

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Solution

The fourth proportional to 508,804,018.57, 702,232,845.62 and 423,896,489.56 is: 585,046,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,804,018.57 : 702,232,845.62 = 423,896,489.56 : x
  2. Step 2: Convert to fraction form
    508,804,018.57/702,232,845.62 = 423,896,489.56/x
  3. Step 3: Cross multiply
    508,804,018.57x = 702,232,845.62 × 423,896,489.56
  4. Step 4: Simplify right side
    508,804,018.57x = 297,674,038,112,047,424
  5. Step 5: Solve for x
    x = 297,674,038,112,047,424/508,804,018.57
  6. Step 6: Final answer
    x = 585,046,554.76

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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.