Home / 1,423,747,232.73-1,965,452,485.22-948,228,938.78

Finding the Fourth Proportional to 1,423,747,232.73, 1,965,452,485.22 and 948,228,938.78

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Solution

The fourth proportional to 1,423,747,232.73, 1,965,452,485.22 and 948,228,938.78 is: 1,309,009,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,747,232.73 : 1,965,452,485.22 = 948,228,938.78 : x
  2. Step 2: Convert to fraction form
    1,423,747,232.73/1,965,452,485.22 = 948,228,938.78/x
  3. Step 3: Cross multiply
    1,423,747,232.73x = 1,965,452,485.22 × 948,228,938.78
  4. Step 4: Simplify right side
    1,423,747,232.73x = 1,863,698,924,290,991,872
  5. Step 5: Solve for x
    x = 1,863,698,924,290,991,872/1,423,747,232.73
  6. Step 6: Final answer
    x = 1,309,009,690.38

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Half scale
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Double scale
Find fourth proportional to 1,423,747,233.73, 1,965,452,486.60 and 948,228,939.78
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.