Home / 839,829,208.20-1,259,743,812.30-788,810,872.20

Finding the Fourth Proportional to 839,829,208.20, 1,259,743,812.30 and 788,810,872.20

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Solution

The fourth proportional to 839,829,208.20, 1,259,743,812.30 and 788,810,872.20 is: 1,183,216,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,829,208.20 : 1,259,743,812.30 = 788,810,872.20 : x
  2. Step 2: Convert to fraction form
    839,829,208.20/1,259,743,812.30 = 788,810,872.20/x
  3. Step 3: Cross multiply
    839,829,208.20x = 1,259,743,812.30 × 788,810,872.20
  4. Step 4: Simplify right side
    839,829,208.20x = 993,699,615,328,916,096
  5. Step 5: Solve for x
    x = 993,699,615,328,916,096/839,829,208.20
  6. Step 6: Final answer
    x = 1,183,216,308.30

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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.