Home / 635,335,759.56-953,004,386.16-198,638,732.64

Finding the Fourth Proportional to 635,335,759.56, 953,004,386.16 and 198,638,732.64

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Solution

The fourth proportional to 635,335,759.56, 953,004,386.16 and 198,638,732.64 is: 297,958,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,335,759.56 : 953,004,386.16 = 198,638,732.64 : x
  2. Step 2: Convert to fraction form
    635,335,759.56/953,004,386.16 = 198,638,732.64/x
  3. Step 3: Cross multiply
    635,335,759.56x = 953,004,386.16 × 198,638,732.64
  4. Step 4: Simplify right side
    635,335,759.56x = 189,303,583,467,183,520
  5. Step 5: Solve for x
    x = 189,303,583,467,183,520/635,335,759.56
  6. Step 6: Final answer
    x = 297,958,332.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.