Home / 35,478,273,629.28-48,956,668,510.32-21,202,259,088.48

Finding the Fourth Proportional to 35,478,273,629.28, 48,956,668,510.32 and 21,202,259,088.48

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Solution

The fourth proportional to 35,478,273,629.28, 48,956,668,510.32 and 21,202,259,088.48 is: 29,257,116,079.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478,273,629.28 : 48,956,668,510.32 = 21,202,259,088.48 : x
  2. Step 2: Convert to fraction form
    35,478,273,629.28/48,956,668,510.32 = 21,202,259,088.48/x
  3. Step 3: Cross multiply
    35,478,273,629.28x = 48,956,668,510.32 × 21,202,259,088.48
  4. Step 4: Simplify right side
    35,478,273,629.28x = 1,037,991,969,864,634,859,520
  5. Step 5: Solve for x
    x = 1,037,991,969,864,634,859,520/35,478,273,629.28
  6. Step 6: Final answer
    x = 29,257,116,079.29

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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.