Home / 1,783,804,946.40-2,675,707,419.60-491,340,434.40

Finding the Fourth Proportional to 1,783,804,946.40, 2,675,707,419.60 and 491,340,434.40

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Solution

The fourth proportional to 1,783,804,946.40, 2,675,707,419.60 and 491,340,434.40 is: 737,010,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,804,946.40 : 2,675,707,419.60 = 491,340,434.40 : x
  2. Step 2: Convert to fraction form
    1,783,804,946.40/2,675,707,419.60 = 491,340,434.40/x
  3. Step 3: Cross multiply
    1,783,804,946.40x = 2,675,707,419.60 × 491,340,434.40
  4. Step 4: Simplify right side
    1,783,804,946.40x = 1,314,683,245,873,566,976
  5. Step 5: Solve for x
    x = 1,314,683,245,873,566,976/1,783,804,946.40
  6. Step 6: Final answer
    x = 737,010,651.60

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Half scale
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Double scale
Find fourth proportional to 1,783,804,947.40, 2,675,707,421.10 and 491,340,435.40
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.