Home / 2,119,367,441.21-3,179,138,815.76-625,398,999.93

Finding the Fourth Proportional to 2,119,367,441.21, 3,179,138,815.76 and 625,398,999.93

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Solution

The fourth proportional to 2,119,367,441.21, 3,179,138,815.76 and 625,398,999.93 is: 938,124,365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,367,441.21 : 3,179,138,815.76 = 625,398,999.93 : x
  2. Step 2: Convert to fraction form
    2,119,367,441.21/3,179,138,815.76 = 625,398,999.93/x
  3. Step 3: Cross multiply
    2,119,367,441.21x = 3,179,138,815.76 × 625,398,999.93
  4. Step 4: Simplify right side
    2,119,367,441.21x = 1,988,230,236,020,786,688
  5. Step 5: Solve for x
    x = 1,988,230,236,020,786,688/2,119,367,441.21
  6. Step 6: Final answer
    x = 938,124,365.49

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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.