Home / 12,674,853,431.40-19,012,280,147.10-12,137,460,292.20

Finding the Fourth Proportional to 12,674,853,431.40, 19,012,280,147.10 and 12,137,460,292.20

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Solution

The fourth proportional to 12,674,853,431.40, 19,012,280,147.10 and 12,137,460,292.20 is: 18,206,190,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674,853,431.40 : 19,012,280,147.10 = 12,137,460,292.20 : x
  2. Step 2: Convert to fraction form
    12,674,853,431.40/19,012,280,147.10 = 12,137,460,292.20/x
  3. Step 3: Cross multiply
    12,674,853,431.40x = 19,012,280,147.10 × 12,137,460,292.20
  4. Step 4: Simplify right side
    12,674,853,431.40x = 230,760,795,349,608,628,224
  5. Step 5: Solve for x
    x = 230,760,795,349,608,628,224/12,674,853,431.40
  6. Step 6: Final answer
    x = 18,206,190,438.30

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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.