Home / 1,661,020,435.59-2,491,778,399.37-611,677,955.76

Finding the Fourth Proportional to 1,661,020,435.59, 2,491,778,399.37 and 611,677,955.76

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Solution

The fourth proportional to 1,661,020,435.59, 2,491,778,399.37 and 611,677,955.76 is: 917,608,167.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,020,435.59 : 2,491,778,399.37 = 611,677,955.76 : x
  2. Step 2: Convert to fraction form
    1,661,020,435.59/2,491,778,399.37 = 611,677,955.76/x
  3. Step 3: Cross multiply
    1,661,020,435.59x = 2,491,778,399.37 × 611,677,955.76
  4. Step 4: Simplify right side
    1,661,020,435.59x = 1,524,165,917,533,566,464
  5. Step 5: Solve for x
    x = 1,524,165,917,533,566,464/1,661,020,435.59
  6. Step 6: Final answer
    x = 917,608,167.17

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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.