Home / 1,019,941,777.80-1,529,912,666.70-329,918,783.40

Finding the Fourth Proportional to 1,019,941,777.80, 1,529,912,666.70 and 329,918,783.40

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Solution

The fourth proportional to 1,019,941,777.80, 1,529,912,666.70 and 329,918,783.40 is: 494,878,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,941,777.80 : 1,529,912,666.70 = 329,918,783.40 : x
  2. Step 2: Convert to fraction form
    1,019,941,777.80/1,529,912,666.70 = 329,918,783.40/x
  3. Step 3: Cross multiply
    1,019,941,777.80x = 1,529,912,666.70 × 329,918,783.40
  4. Step 4: Simplify right side
    1,019,941,777.80x = 504,746,925,705,913,664
  5. Step 5: Solve for x
    x = 504,746,925,705,913,664/1,019,941,777.80
  6. Step 6: Final answer
    x = 494,878,175.10

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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.