Home / 12,747,943,352.80-19,121,915,029.20-4,465,754,232.40

Finding the Fourth Proportional to 12,747,943,352.80, 19,121,915,029.20 and 4,465,754,232.40

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Solution

The fourth proportional to 12,747,943,352.80, 19,121,915,029.20 and 4,465,754,232.40 is: 6,698,631,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,943,352.80 : 19,121,915,029.20 = 4,465,754,232.40 : x
  2. Step 2: Convert to fraction form
    12,747,943,352.80/19,121,915,029.20 = 4,465,754,232.40/x
  3. Step 3: Cross multiply
    12,747,943,352.80x = 19,121,915,029.20 × 4,465,754,232.40
  4. Step 4: Simplify right side
    12,747,943,352.80x = 85,393,772,973,243,072,512
  5. Step 5: Solve for x
    x = 85,393,772,973,243,072,512/12,747,943,352.80
  6. Step 6: Final answer
    x = 6,698,631,348.60

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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.