Home / 2,800,640,244.80-4,200,960,367.20-1,349,452,020.80

Finding the Fourth Proportional to 2,800,640,244.80, 4,200,960,367.20 and 1,349,452,020.80

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Solution

The fourth proportional to 2,800,640,244.80, 4,200,960,367.20 and 1,349,452,020.80 is: 2,024,178,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,640,244.80 : 4,200,960,367.20 = 1,349,452,020.80 : x
  2. Step 2: Convert to fraction form
    2,800,640,244.80/4,200,960,367.20 = 1,349,452,020.80/x
  3. Step 3: Cross multiply
    2,800,640,244.80x = 4,200,960,367.20 × 1,349,452,020.80
  4. Step 4: Simplify right side
    2,800,640,244.80x = 5,668,994,456,818,749,440
  5. Step 5: Solve for x
    x = 5,668,994,456,818,749,440/2,800,640,244.80
  6. Step 6: Final answer
    x = 2,024,178,031.20

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Double scale
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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.