Home / 737,908,735.82-1,018,320,831.16-420,364,275.56

Finding the Fourth Proportional to 737,908,735.82, 1,018,320,831.16 and 420,364,275.56

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Solution

The fourth proportional to 737,908,735.82, 1,018,320,831.16 and 420,364,275.56 is: 580,106,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,908,735.82 : 1,018,320,831.16 = 420,364,275.56 : x
  2. Step 2: Convert to fraction form
    737,908,735.82/1,018,320,831.16 = 420,364,275.56/x
  3. Step 3: Cross multiply
    737,908,735.82x = 1,018,320,831.16 × 420,364,275.56
  4. Step 4: Simplify right side
    737,908,735.82x = 428,065,698,478,230,464
  5. Step 5: Solve for x
    x = 428,065,698,478,230,464/737,908,735.82
  6. Step 6: Final answer
    x = 580,106,560.20

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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.