Home / 1,644,147,316.80-2,466,220,975.20-417,315,768.30

Finding the Fourth Proportional to 1,644,147,316.80, 2,466,220,975.20 and 417,315,768.30

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Solution

The fourth proportional to 1,644,147,316.80, 2,466,220,975.20 and 417,315,768.30 is: 625,973,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,147,316.80 : 2,466,220,975.20 = 417,315,768.30 : x
  2. Step 2: Convert to fraction form
    1,644,147,316.80/2,466,220,975.20 = 417,315,768.30/x
  3. Step 3: Cross multiply
    1,644,147,316.80x = 2,466,220,975.20 × 417,315,768.30
  4. Step 4: Simplify right side
    1,644,147,316.80x = 1,029,192,901,063,163,136
  5. Step 5: Solve for x
    x = 1,029,192,901,063,163,136/1,644,147,316.80
  6. Step 6: Final answer
    x = 625,973,652.45

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Half scale
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Double scale
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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.