Home / 804,816,092.40-1,207,224,138.60-659,413,834.80

Finding the Fourth Proportional to 804,816,092.40, 1,207,224,138.60 and 659,413,834.80

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Solution

The fourth proportional to 804,816,092.40, 1,207,224,138.60 and 659,413,834.80 is: 989,120,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,816,092.40 : 1,207,224,138.60 = 659,413,834.80 : x
  2. Step 2: Convert to fraction form
    804,816,092.40/1,207,224,138.60 = 659,413,834.80/x
  3. Step 3: Cross multiply
    804,816,092.40x = 1,207,224,138.60 × 659,413,834.80
  4. Step 4: Simplify right side
    804,816,092.40x = 796,060,298,697,352,576
  5. Step 5: Solve for x
    x = 796,060,298,697,352,576/804,816,092.40
  6. Step 6: Final answer
    x = 989,120,752.20

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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.