Home / 3,896,686,393.95-5,378,009,462.51-3,067,550,254.11

Finding the Fourth Proportional to 3,896,686,393.95, 5,378,009,462.51 and 3,067,550,254.11

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Solution

The fourth proportional to 3,896,686,393.95, 5,378,009,462.51 and 3,067,550,254.11 is: 4,233,677,700.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,686,393.95 : 5,378,009,462.51 = 3,067,550,254.11 : x
  2. Step 2: Convert to fraction form
    3,896,686,393.95/5,378,009,462.51 = 3,067,550,254.11/x
  3. Step 3: Cross multiply
    3,896,686,393.95x = 5,378,009,462.51 × 3,067,550,254.11
  4. Step 4: Simplify right side
    3,896,686,393.95x = 16,497,314,293,313,198,080
  5. Step 5: Solve for x
    x = 16,497,314,293,313,198,080/3,896,686,393.95
  6. Step 6: Final answer
    x = 4,233,677,700.86

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1.5x scale

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.