Home / 1,019,941,807.80-1,529,912,711.70-329,918,813.40

Finding the Fourth Proportional to 1,019,941,807.80, 1,529,912,711.70 and 329,918,813.40

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Solution

The fourth proportional to 1,019,941,807.80, 1,529,912,711.70 and 329,918,813.40 is: 494,878,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,941,807.80 : 1,529,912,711.70 = 329,918,813.40 : x
  2. Step 2: Convert to fraction form
    1,019,941,807.80/1,529,912,711.70 = 329,918,813.40/x
  3. Step 3: Cross multiply
    1,019,941,807.80x = 1,529,912,711.70 × 329,918,813.40
  4. Step 4: Simplify right side
    1,019,941,807.80x = 504,746,986,449,640,256
  5. Step 5: Solve for x
    x = 504,746,986,449,640,256/1,019,941,807.80
  6. Step 6: Final answer
    x = 494,878,220.10

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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.