Home / 2,877,287,194.80-4,315,930,792.20-1,947,478,021.20

Finding the Fourth Proportional to 2,877,287,194.80, 4,315,930,792.20 and 1,947,478,021.20

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Solution

The fourth proportional to 2,877,287,194.80, 4,315,930,792.20 and 1,947,478,021.20 is: 2,921,217,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,287,194.80 : 4,315,930,792.20 = 1,947,478,021.20 : x
  2. Step 2: Convert to fraction form
    2,877,287,194.80/4,315,930,792.20 = 1,947,478,021.20/x
  3. Step 3: Cross multiply
    2,877,287,194.80x = 4,315,930,792.20 × 1,947,478,021.20
  4. Step 4: Simplify right side
    2,877,287,194.80x = 8,405,180,358,829,804,544
  5. Step 5: Solve for x
    x = 8,405,180,358,829,804,544/2,877,287,194.80
  6. Step 6: Final answer
    x = 2,921,217,031.80

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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.