Home / 2,107,999,424.79-2,909,071,020.29-1,155,372,540.66

Finding the Fourth Proportional to 2,107,999,424.79, 2,909,071,020.29 and 1,155,372,540.66

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Solution

The fourth proportional to 2,107,999,424.79, 2,909,071,020.29 and 1,155,372,540.66 is: 1,594,431,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,999,424.79 : 2,909,071,020.29 = 1,155,372,540.66 : x
  2. Step 2: Convert to fraction form
    2,107,999,424.79/2,909,071,020.29 = 1,155,372,540.66/x
  3. Step 3: Cross multiply
    2,107,999,424.79x = 2,909,071,020.29 × 1,155,372,540.66
  4. Step 4: Simplify right side
    2,107,999,424.79x = 3,361,060,775,667,058,688
  5. Step 5: Solve for x
    x = 3,361,060,775,667,058,688/2,107,999,424.79
  6. Step 6: Final answer
    x = 1,594,431,543.07

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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.