Home / 616,206,867.42-850,456,745.33-390,166,860.74

Finding the Fourth Proportional to 616,206,867.42, 850,456,745.33 and 390,166,860.74

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Solution

The fourth proportional to 616,206,867.42, 850,456,745.33 and 390,166,860.74 is: 538,488,056.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,206,867.42 : 850,456,745.33 = 390,166,860.74 : x
  2. Step 2: Convert to fraction form
    616,206,867.42/850,456,745.33 = 390,166,860.74/x
  3. Step 3: Cross multiply
    616,206,867.42x = 850,456,745.33 × 390,166,860.74
  4. Step 4: Simplify right side
    616,206,867.42x = 331,820,038,519,413,056
  5. Step 5: Solve for x
    x = 331,820,038,519,413,056/616,206,867.42
  6. Step 6: Final answer
    x = 538,488,056.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.