Home / 1,019,941,602.80-1,529,912,404.20-329,918,608.40

Finding the Fourth Proportional to 1,019,941,602.80, 1,529,912,404.20 and 329,918,608.40

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Solution

The fourth proportional to 1,019,941,602.80, 1,529,912,404.20 and 329,918,608.40 is: 494,877,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,941,602.80 : 1,529,912,404.20 = 329,918,608.40 : x
  2. Step 2: Convert to fraction form
    1,019,941,602.80/1,529,912,404.20 = 329,918,608.40/x
  3. Step 3: Cross multiply
    1,019,941,602.80x = 1,529,912,404.20 × 329,918,608.40
  4. Step 4: Simplify right side
    1,019,941,602.80x = 504,746,571,367,562,304
  5. Step 5: Solve for x
    x = 504,746,571,367,562,304/1,019,941,602.80
  6. Step 6: Final answer
    x = 494,877,912.60

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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.