Home / 1,208,629,384.80-1,812,944,077.20-626,170,048.80

Finding the Fourth Proportional to 1,208,629,384.80, 1,812,944,077.20 and 626,170,048.80

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Solution

The fourth proportional to 1,208,629,384.80, 1,812,944,077.20 and 626,170,048.80 is: 939,255,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,629,384.80 : 1,812,944,077.20 = 626,170,048.80 : x
  2. Step 2: Convert to fraction form
    1,208,629,384.80/1,812,944,077.20 = 626,170,048.80/x
  3. Step 3: Cross multiply
    1,208,629,384.80x = 1,812,944,077.20 × 626,170,048.80
  4. Step 4: Simplify right side
    1,208,629,384.80x = 1,135,211,281,291,994,880
  5. Step 5: Solve for x
    x = 1,135,211,281,291,994,880/1,208,629,384.80
  6. Step 6: Final answer
    x = 939,255,073.20

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Half scale
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Double scale
Find fourth proportional to 1,208,629,385.80, 1,812,944,078.70 and 626,170,049.80
Similar ratio
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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.