Home / 1,120,446,019.14-1,546,222,981.42-611,812,263.80

Finding the Fourth Proportional to 1,120,446,019.14, 1,546,222,981.42 and 611,812,263.80

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Solution

The fourth proportional to 1,120,446,019.14, 1,546,222,981.42 and 611,812,263.80 is: 844,305,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,446,019.14 : 1,546,222,981.42 = 611,812,263.80 : x
  2. Step 2: Convert to fraction form
    1,120,446,019.14/1,546,222,981.42 = 611,812,263.80/x
  3. Step 3: Cross multiply
    1,120,446,019.14x = 1,546,222,981.42 × 611,812,263.80
  4. Step 4: Simplify right side
    1,120,446,019.14x = 945,998,182,603,281,664
  5. Step 5: Solve for x
    x = 945,998,182,603,281,664/1,120,446,019.14
  6. Step 6: Final answer
    x = 844,305,005.72

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Half scale
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Double scale
Find fourth proportional to 1,120,446,020.14, 1,546,222,982.80 and 611,812,264.80
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.