Home / 528,601,235.18-729,456,605.51-293,652,470.34

Finding the Fourth Proportional to 528,601,235.18, 729,456,605.51 and 293,652,470.34

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Solution

The fourth proportional to 528,601,235.18, 729,456,605.51 and 293,652,470.34 is: 405,233,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,601,235.18 : 729,456,605.51 = 293,652,470.34 : x
  2. Step 2: Convert to fraction form
    528,601,235.18/729,456,605.51 = 293,652,470.34/x
  3. Step 3: Cross multiply
    528,601,235.18x = 729,456,605.51 × 293,652,470.34
  4. Step 4: Simplify right side
    528,601,235.18x = 214,206,734,212,374,080
  5. Step 5: Solve for x
    x = 214,206,734,212,374,080/528,601,235.18
  6. Step 6: Final answer
    x = 405,233,132.20

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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.