Home / 1,019,933,122.05-1,529,899,683.08-330,335,280.45

Finding the Fourth Proportional to 1,019,933,122.05, 1,529,899,683.08 and 330,335,280.45

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Solution

The fourth proportional to 1,019,933,122.05, 1,529,899,683.08 and 330,335,280.45 is: 495,502,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,933,122.05 : 1,529,899,683.08 = 330,335,280.45 : x
  2. Step 2: Convert to fraction form
    1,019,933,122.05/1,529,899,683.08 = 330,335,280.45/x
  3. Step 3: Cross multiply
    1,019,933,122.05x = 1,529,899,683.08 × 330,335,280.45
  4. Step 4: Simplify right side
    1,019,933,122.05x = 505,379,840,868,946,240
  5. Step 5: Solve for x
    x = 505,379,840,868,946,240/1,019,933,122.05
  6. Step 6: Final answer
    x = 495,502,920.68

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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.