Home / 1,294,464,100.60-1,941,696,150.90-432,821,092.60

Finding the Fourth Proportional to 1,294,464,100.60, 1,941,696,150.90 and 432,821,092.60

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Solution

The fourth proportional to 1,294,464,100.60, 1,941,696,150.90 and 432,821,092.60 is: 649,231,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,464,100.60 : 1,941,696,150.90 = 432,821,092.60 : x
  2. Step 2: Convert to fraction form
    1,294,464,100.60/1,941,696,150.90 = 432,821,092.60/x
  3. Step 3: Cross multiply
    1,294,464,100.60x = 1,941,696,150.90 × 432,821,092.60
  4. Step 4: Simplify right side
    1,294,464,100.60x = 840,407,049,529,752,576
  5. Step 5: Solve for x
    x = 840,407,049,529,752,576/1,294,464,100.60
  6. Step 6: Final answer
    x = 649,231,638.90

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Half scale
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Double scale
Find fourth proportional to 1,294,464,101.60, 1,941,696,152.40 and 432,821,093.60
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.