Home / 1,328,603,934.30-1,992,905,901.45-984,230,166.30

Finding the Fourth Proportional to 1,328,603,934.30, 1,992,905,901.45 and 984,230,166.30

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Solution

The fourth proportional to 1,328,603,934.30, 1,992,905,901.45 and 984,230,166.30 is: 1,476,345,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,603,934.30 : 1,992,905,901.45 = 984,230,166.30 : x
  2. Step 2: Convert to fraction form
    1,328,603,934.30/1,992,905,901.45 = 984,230,166.30/x
  3. Step 3: Cross multiply
    1,328,603,934.30x = 1,992,905,901.45 × 984,230,166.30
  4. Step 4: Simplify right side
    1,328,603,934.30x = 1,961,478,106,804,384,768
  5. Step 5: Solve for x
    x = 1,961,478,106,804,384,768/1,328,603,934.30
  6. Step 6: Final answer
    x = 1,476,345,249.45

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Double scale
Find fourth proportional to 1,328,603,935.30, 1,992,905,902.95 and 984,230,167.30
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.