Home / 1,211,112,094.40-1,816,668,141.60-797,863,572.80

Finding the Fourth Proportional to 1,211,112,094.40, 1,816,668,141.60 and 797,863,572.80

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Solution

The fourth proportional to 1,211,112,094.40, 1,816,668,141.60 and 797,863,572.80 is: 1,196,795,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,112,094.40 : 1,816,668,141.60 = 797,863,572.80 : x
  2. Step 2: Convert to fraction form
    1,211,112,094.40/1,816,668,141.60 = 797,863,572.80/x
  3. Step 3: Cross multiply
    1,211,112,094.40x = 1,816,668,141.60 × 797,863,572.80
  4. Step 4: Simplify right side
    1,211,112,094.40x = 1,449,453,334,048,912,128
  5. Step 5: Solve for x
    x = 1,449,453,334,048,912,128/1,211,112,094.40
  6. Step 6: Final answer
    x = 1,196,795,359.20

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Double scale
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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.