Home / 1,644,147,331.80-2,466,220,997.70-417,315,783.30

Finding the Fourth Proportional to 1,644,147,331.80, 2,466,220,997.70 and 417,315,783.30

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Solution

The fourth proportional to 1,644,147,331.80, 2,466,220,997.70 and 417,315,783.30 is: 625,973,674.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,147,331.80 : 2,466,220,997.70 = 417,315,783.30 : x
  2. Step 2: Convert to fraction form
    1,644,147,331.80/2,466,220,997.70 = 417,315,783.30/x
  3. Step 3: Cross multiply
    1,644,147,331.80x = 2,466,220,997.70 × 417,315,783.30
  4. Step 4: Simplify right side
    1,644,147,331.80x = 1,029,192,947,446,082,944
  5. Step 5: Solve for x
    x = 1,029,192,947,446,082,944/1,644,147,331.80
  6. Step 6: Final answer
    x = 625,973,674.95

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Half scale
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Double scale
Find fourth proportional to 1,644,147,332.80, 2,466,220,999.20 and 417,315,784.30
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.