Home / 15,718,395,934.64-21,701,175,726.84-10,005,903,561.52

Finding the Fourth Proportional to 15,718,395,934.64, 21,701,175,726.84 and 10,005,903,561.52

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Solution

The fourth proportional to 15,718,395,934.64, 21,701,175,726.84 and 10,005,903,561.52 is: 13,814,378,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718,395,934.64 : 21,701,175,726.84 = 10,005,903,561.52 : x
  2. Step 2: Convert to fraction form
    15,718,395,934.64/21,701,175,726.84 = 10,005,903,561.52/x
  3. Step 3: Cross multiply
    15,718,395,934.64x = 21,701,175,726.84 × 10,005,903,561.52
  4. Step 4: Simplify right side
    15,718,395,934.64x = 217,139,871,494,359,744,512
  5. Step 5: Solve for x
    x = 217,139,871,494,359,744,512/15,718,395,934.64
  6. Step 6: Final answer
    x = 13,814,378,540.74

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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.