Home / 1,761,851,413.29-2,431,418,877-1,009,310,031.78

Finding the Fourth Proportional to 1,761,851,413.29, 2,431,418,877 and 1,009,310,031.78

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Solution

The fourth proportional to 1,761,851,413.29, 2,431,418,877 and 1,009,310,031.78 is: 1,392,884,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,851,413.29 : 2,431,418,877 = 1,009,310,031.78 : x
  2. Step 2: Convert to fraction form
    1,761,851,413.29/2,431,418,877 = 1,009,310,031.78/x
  3. Step 3: Cross multiply
    1,761,851,413.29x = 2,431,418,877 × 1,009,310,031.78
  4. Step 4: Simplify right side
    1,761,851,413.29x = 2,454,055,464,015,362,048
  5. Step 5: Solve for x
    x = 2,454,055,464,015,362,048/1,761,851,413.29
  6. Step 6: Final answer
    x = 1,392,884,465.46

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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.