Home / 2,007,862,945.29-2,770,918,071.48-1,115,827,269.57

Finding the Fourth Proportional to 2,007,862,945.29, 2,770,918,071.48 and 1,115,827,269.57

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Solution

The fourth proportional to 2,007,862,945.29, 2,770,918,071.48 and 1,115,827,269.57 is: 1,539,878,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,862,945.29 : 2,770,918,071.48 = 1,115,827,269.57 : x
  2. Step 2: Convert to fraction form
    2,007,862,945.29/2,770,918,071.48 = 1,115,827,269.57/x
  3. Step 3: Cross multiply
    2,007,862,945.29x = 2,770,918,071.48 × 1,115,827,269.57
  4. Step 4: Simplify right side
    2,007,862,945.29x = 3,091,865,945,901,698,560
  5. Step 5: Solve for x
    x = 3,091,865,945,901,698,560/2,007,862,945.29
  6. Step 6: Final answer
    x = 1,539,878,980.86

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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.