Home / 1,201,222,000.30-1,801,833,000.45-943,232,982.70

Finding the Fourth Proportional to 1,201,222,000.30, 1,801,833,000.45 and 943,232,982.70

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Solution

The fourth proportional to 1,201,222,000.30, 1,801,833,000.45 and 943,232,982.70 is: 1,414,849,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,222,000.30 : 1,801,833,000.45 = 943,232,982.70 : x
  2. Step 2: Convert to fraction form
    1,201,222,000.30/1,801,833,000.45 = 943,232,982.70/x
  3. Step 3: Cross multiply
    1,201,222,000.30x = 1,801,833,000.45 × 943,232,982.70
  4. Step 4: Simplify right side
    1,201,222,000.30x = 1,699,548,315,341,744,128
  5. Step 5: Solve for x
    x = 1,699,548,315,341,744,128/1,201,222,000.30
  6. Step 6: Final answer
    x = 1,414,849,474.05

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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.