Home / 1,783,804,945.15-2,675,707,417.73-491,340,433.15

Finding the Fourth Proportional to 1,783,804,945.15, 2,675,707,417.73 and 491,340,433.15

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Solution

The fourth proportional to 1,783,804,945.15, 2,675,707,417.73 and 491,340,433.15 is: 737,010,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,804,945.15 : 2,675,707,417.73 = 491,340,433.15 : x
  2. Step 2: Convert to fraction form
    1,783,804,945.15/2,675,707,417.73 = 491,340,433.15/x
  3. Step 3: Cross multiply
    1,783,804,945.15x = 2,675,707,417.73 × 491,340,433.15
  4. Step 4: Simplify right side
    1,783,804,945.15x = 1,314,683,241,610,126,080
  5. Step 5: Solve for x
    x = 1,314,683,241,610,126,080/1,783,804,945.15
  6. Step 6: Final answer
    x = 737,010,649.73

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Half scale
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Double scale
Find fourth proportional to 1,783,804,946.15, 2,675,707,419.23 and 491,340,434.15
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.