Home / 13,314,117,876.20-18,373,255,593.38-7,210,420,969.48

Finding the Fourth Proportional to 13,314,117,876.20, 18,373,255,593.38 and 7,210,420,969.48

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Solution

The fourth proportional to 13,314,117,876.20, 18,373,255,593.38 and 7,210,420,969.48 is: 9,950,257,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314,117,876.20 : 18,373,255,593.38 = 7,210,420,969.48 : x
  2. Step 2: Convert to fraction form
    13,314,117,876.20/18,373,255,593.38 = 7,210,420,969.48/x
  3. Step 3: Cross multiply
    13,314,117,876.20x = 18,373,255,593.38 × 7,210,420,969.48
  4. Step 4: Simplify right side
    13,314,117,876.20x = 132,478,907,408,076,931,072
  5. Step 5: Solve for x
    x = 132,478,907,408,076,931,072/13,314,117,876.20
  6. Step 6: Final answer
    x = 9,950,257,962.25

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Double scale
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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.