Home / 921,622,656.43-1,382,435,315.19-376,364,190.43

Finding the Fourth Proportional to 921,622,656.43, 1,382,435,315.19 and 376,364,190.43

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Solution

The fourth proportional to 921,622,656.43, 1,382,435,315.19 and 376,364,190.43 is: 564,546,829.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,622,656.43 : 1,382,435,315.19 = 376,364,190.43 : x
  2. Step 2: Convert to fraction form
    921,622,656.43/1,382,435,315.19 = 376,364,190.43/x
  3. Step 3: Cross multiply
    921,622,656.43x = 1,382,435,315.19 × 376,364,190.43
  4. Step 4: Simplify right side
    921,622,656.43x = 520,299,148,223,326,272
  5. Step 5: Solve for x
    x = 520,299,148,223,326,272/921,622,656.43
  6. Step 6: Final answer
    x = 564,546,829.00

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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.