Home / 1,816,150,990.68-2,506,288,352.38-980,775,487.46

Finding the Fourth Proportional to 1,816,150,990.68, 2,506,288,352.38 and 980,775,487.46

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Solution

The fourth proportional to 1,816,150,990.68, 2,506,288,352.38 and 980,775,487.46 is: 1,353,470,164.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,150,990.68 : 2,506,288,352.38 = 980,775,487.46 : x
  2. Step 2: Convert to fraction form
    1,816,150,990.68/2,506,288,352.38 = 980,775,487.46/x
  3. Step 3: Cross multiply
    1,816,150,990.68x = 2,506,288,352.38 × 980,775,487.46
  4. Step 4: Simplify right side
    1,816,150,990.68x = 2,458,106,180,524,628,480
  5. Step 5: Solve for x
    x = 2,458,106,180,524,628,480/1,816,150,990.68
  6. Step 6: Final answer
    x = 1,353,470,164.73

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Half scale
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Double scale
Find fourth proportional to 1,816,150,991.68, 2,506,288,353.76 and 980,775,488.46
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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.