Home / 1,889,613,821.70-2,834,420,732.55-528,005,117.70

Finding the Fourth Proportional to 1,889,613,821.70, 2,834,420,732.55 and 528,005,117.70

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Solution

The fourth proportional to 1,889,613,821.70, 2,834,420,732.55 and 528,005,117.70 is: 792,007,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,613,821.70 : 2,834,420,732.55 = 528,005,117.70 : x
  2. Step 2: Convert to fraction form
    1,889,613,821.70/2,834,420,732.55 = 528,005,117.70/x
  3. Step 3: Cross multiply
    1,889,613,821.70x = 2,834,420,732.55 × 528,005,117.70
  4. Step 4: Simplify right side
    1,889,613,821.70x = 1,496,588,652,501,382,912
  5. Step 5: Solve for x
    x = 1,496,588,652,501,382,912/1,889,613,821.70
  6. Step 6: Final answer
    x = 792,007,676.55

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Half scale
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Double scale
Find fourth proportional to 1,889,613,822.70, 2,834,420,734.05 and 528,005,118.70
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.