Home / 33,011,808,020.80-49,517,712,031.20-21,257,183,406.40

Finding the Fourth Proportional to 33,011,808,020.80, 49,517,712,031.20 and 21,257,183,406.40

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Solution

The fourth proportional to 33,011,808,020.80, 49,517,712,031.20 and 21,257,183,406.40 is: 31,885,775,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011,808,020.80 : 49,517,712,031.20 = 21,257,183,406.40 : x
  2. Step 2: Convert to fraction form
    33,011,808,020.80/49,517,712,031.20 = 21,257,183,406.40/x
  3. Step 3: Cross multiply
    33,011,808,020.80x = 49,517,712,031.20 × 21,257,183,406.40
  4. Step 4: Simplify right side
    33,011,808,020.80x = 1,052,607,086,512,518,332,416
  5. Step 5: Solve for x
    x = 1,052,607,086,512,518,332,416/33,011,808,020.80
  6. Step 6: Final answer
    x = 31,885,775,109.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.