Home / 2,120,256,031.80-3,180,384,047.70-1,201,925,983.80

Finding the Fourth Proportional to 2,120,256,031.80, 3,180,384,047.70 and 1,201,925,983.80

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Solution

The fourth proportional to 2,120,256,031.80, 3,180,384,047.70 and 1,201,925,983.80 is: 1,802,888,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,256,031.80 : 3,180,384,047.70 = 1,201,925,983.80 : x
  2. Step 2: Convert to fraction form
    2,120,256,031.80/3,180,384,047.70 = 1,201,925,983.80/x
  3. Step 3: Cross multiply
    2,120,256,031.80x = 3,180,384,047.70 × 1,201,925,983.80
  4. Step 4: Simplify right side
    2,120,256,031.80x = 3,822,586,225,393,648,128
  5. Step 5: Solve for x
    x = 3,822,586,225,393,648,128/2,120,256,031.80
  6. Step 6: Final answer
    x = 1,802,888,975.70

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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.