Home / 1,211,112,089.40-1,816,668,134.10-797,863,567.80

Finding the Fourth Proportional to 1,211,112,089.40, 1,816,668,134.10 and 797,863,567.80

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Solution

The fourth proportional to 1,211,112,089.40, 1,816,668,134.10 and 797,863,567.80 is: 1,196,795,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,112,089.40 : 1,816,668,134.10 = 797,863,567.80 : x
  2. Step 2: Convert to fraction form
    1,211,112,089.40/1,816,668,134.10 = 797,863,567.80/x
  3. Step 3: Cross multiply
    1,211,112,089.40x = 1,816,668,134.10 × 797,863,567.80
  4. Step 4: Simplify right side
    1,211,112,089.40x = 1,449,453,318,981,594,624
  5. Step 5: Solve for x
    x = 1,449,453,318,981,594,624/1,211,112,089.40
  6. Step 6: Final answer
    x = 1,196,795,351.70

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Double scale
Find fourth proportional to 1,211,112,090.40, 1,816,668,135.60 and 797,863,568.80
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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.