Home / 1,008,450,628.32-1,391,661,869.76-544,876,612.32

Finding the Fourth Proportional to 1,008,450,628.32, 1,391,661,869.76 and 544,876,612.32

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Solution

The fourth proportional to 1,008,450,628.32, 1,391,661,869.76 and 544,876,612.32 is: 751,929,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,450,628.32 : 1,391,661,869.76 = 544,876,612.32 : x
  2. Step 2: Convert to fraction form
    1,008,450,628.32/1,391,661,869.76 = 544,876,612.32/x
  3. Step 3: Cross multiply
    1,008,450,628.32x = 1,391,661,869.76 × 544,876,612.32
  4. Step 4: Simplify right side
    1,008,450,628.32x = 758,284,005,089,745,920
  5. Step 5: Solve for x
    x = 758,284,005,089,745,920/1,008,450,628.32
  6. Step 6: Final answer
    x = 751,929,726.45

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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.