Home / 40,240,756,816.32-55,530,627,617.57-21,929,425,653.34

Finding the Fourth Proportional to 40,240,756,816.32, 55,530,627,617.57 and 21,929,425,653.34

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Solution

The fourth proportional to 40,240,756,816.32, 55,530,627,617.57 and 21,929,425,653.34 is: 30,261,726,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,240,756,816.32 : 55,530,627,617.57 = 21,929,425,653.34 : x
  2. Step 2: Convert to fraction form
    40,240,756,816.32/55,530,627,617.57 = 21,929,425,653.34/x
  3. Step 3: Cross multiply
    40,240,756,816.32x = 55,530,627,617.57 × 21,929,425,653.34
  4. Step 4: Simplify right side
    40,240,756,816.32x = 1,217,754,769,822,899,240,960
  5. Step 5: Solve for x
    x = 1,217,754,769,822,899,240,960/40,240,756,816.32
  6. Step 6: Final answer
    x = 30,261,726,323.43

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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.