Home / 64,518,531,015.40-96,777,796,523.10-51,457,836,999.40

Finding the Fourth Proportional to 64,518,531,015.40, 96,777,796,523.10 and 51,457,836,999.40

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Solution

The fourth proportional to 64,518,531,015.40, 96,777,796,523.10 and 51,457,836,999.40 is: 77,186,755,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,518,531,015.40 : 96,777,796,523.10 = 51,457,836,999.40 : x
  2. Step 2: Convert to fraction form
    64,518,531,015.40/96,777,796,523.10 = 51,457,836,999.40/x
  3. Step 3: Cross multiply
    64,518,531,015.40x = 96,777,796,523.10 × 51,457,836,999.40
  4. Step 4: Simplify right side
    64,518,531,015.40x = 4,979,976,078,646,780,624,896
  5. Step 5: Solve for x
    x = 4,979,976,078,646,780,624,896/64,518,531,015.40
  6. Step 6: Final answer
    x = 77,186,755,499.10

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Double scale
Find fourth proportional to 64,518,531,016.40, 96,777,796,524.60 and 51,457,837,000.40
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.