Home / 774,343,245.06-1,068,580,223.86-421,922,131.71

Finding the Fourth Proportional to 774,343,245.06, 1,068,580,223.86 and 421,922,131.71

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Solution

The fourth proportional to 774,343,245.06, 1,068,580,223.86 and 421,922,131.71 is: 582,245,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,343,245.06 : 1,068,580,223.86 = 421,922,131.71 : x
  2. Step 2: Convert to fraction form
    774,343,245.06/1,068,580,223.86 = 421,922,131.71/x
  3. Step 3: Cross multiply
    774,343,245.06x = 1,068,580,223.86 × 421,922,131.71
  4. Step 4: Simplify right side
    774,343,245.06x = 450,857,645,954,160,192
  5. Step 5: Solve for x
    x = 450,857,645,954,160,192/774,343,245.06
  6. Step 6: Final answer
    x = 582,245,210.80

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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.