Home / 12,947,076,643.65-19,420,614,965.49-12,947,076,643.65

Finding the Fourth Proportional to 12,947,076,643.65, 19,420,614,965.49 and 12,947,076,643.65

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Solution

The fourth proportional to 12,947,076,643.65, 19,420,614,965.49 and 12,947,076,643.65 is: 19,420,614,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,076,643.65 : 19,420,614,965.49 = 12,947,076,643.65 : x
  2. Step 2: Convert to fraction form
    12,947,076,643.65/19,420,614,965.49 = 12,947,076,643.65/x
  3. Step 3: Cross multiply
    12,947,076,643.65x = 19,420,614,965.49 × 12,947,076,643.65
  4. Step 4: Simplify right side
    12,947,076,643.65x = 251,440,190,425,015,255,040
  5. Step 5: Solve for x
    x = 251,440,190,425,015,255,040/12,947,076,643.65
  6. Step 6: Final answer
    x = 19,420,614,965.49

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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.