Home / 545,358,101.78-752,595,022.47-310,408,759.82

Finding the Fourth Proportional to 545,358,101.78, 752,595,022.47 and 310,408,759.82

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Solution

The fourth proportional to 545,358,101.78, 752,595,022.47 and 310,408,759.82 is: 428,364,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,358,101.78 : 752,595,022.47 = 310,408,759.82 : x
  2. Step 2: Convert to fraction form
    545,358,101.78/752,595,022.47 = 310,408,759.82/x
  3. Step 3: Cross multiply
    545,358,101.78x = 752,595,022.47 × 310,408,759.82
  4. Step 4: Simplify right side
    545,358,101.78x = 233,612,087,571,617,728
  5. Step 5: Solve for x
    x = 233,612,087,571,617,728/545,358,101.78
  6. Step 6: Final answer
    x = 428,364,567.81

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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.