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Finding the Fourth Proportional to 1,036,389,945.15, 1,554,584,917.73 and 336,880,728.90

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Solution

The fourth proportional to 1,036,389,945.15, 1,554,584,917.73 and 336,880,728.90 is: 505,321,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,389,945.15 : 1,554,584,917.73 = 336,880,728.90 : x
  2. Step 2: Convert to fraction form
    1,036,389,945.15/1,554,584,917.73 = 336,880,728.90/x
  3. Step 3: Cross multiply
    1,036,389,945.15x = 1,554,584,917.73 × 336,880,728.90
  4. Step 4: Simplify right side
    1,036,389,945.15x = 523,709,700,220,144,448
  5. Step 5: Solve for x
    x = 523,709,700,220,144,448/1,036,389,945.15
  6. Step 6: Final answer
    x = 505,321,093.35

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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.