Home / 2,205,350,733.39-3,308,014,115.31-1,272,068,603.79

Finding the Fourth Proportional to 2,205,350,733.39, 3,308,014,115.31 and 1,272,068,603.79

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Solution

The fourth proportional to 2,205,350,733.39, 3,308,014,115.31 and 1,272,068,603.79 is: 1,908,095,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,350,733.39 : 3,308,014,115.31 = 1,272,068,603.79 : x
  2. Step 2: Convert to fraction form
    2,205,350,733.39/3,308,014,115.31 = 1,272,068,603.79/x
  3. Step 3: Cross multiply
    2,205,350,733.39x = 3,308,014,115.31 × 1,272,068,603.79
  4. Step 4: Simplify right side
    2,205,350,733.39x = 4,208,020,896,980,003,328
  5. Step 5: Solve for x
    x = 4,208,020,896,980,003,328/2,205,350,733.39
  6. Step 6: Final answer
    x = 1,908,095,992.75

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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.