Home / 7,085,940,400.80-10,628,910,601.20-4,457,220,638.40

Finding the Fourth Proportional to 7,085,940,400.80, 10,628,910,601.20 and 4,457,220,638.40

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Solution

The fourth proportional to 7,085,940,400.80, 10,628,910,601.20 and 4,457,220,638.40 is: 6,685,830,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085,940,400.80 : 10,628,910,601.20 = 4,457,220,638.40 : x
  2. Step 2: Convert to fraction form
    7,085,940,400.80/10,628,910,601.20 = 4,457,220,638.40/x
  3. Step 3: Cross multiply
    7,085,940,400.80x = 10,628,910,601.20 × 4,457,220,638.40
  4. Step 4: Simplify right side
    7,085,940,400.80x = 47,375,399,695,377,195,008
  5. Step 5: Solve for x
    x = 47,375,399,695,377,195,008/7,085,940,400.80
  6. Step 6: Final answer
    x = 6,685,830,957.60

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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.