Home / 1,621,383,186.54-2,237,512,094.48-878,827,752.30

Finding the Fourth Proportional to 1,621,383,186.54, 2,237,512,094.48 and 878,827,752.30

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Solution

The fourth proportional to 1,621,383,186.54, 2,237,512,094.48 and 878,827,752.30 is: 1,212,784,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,383,186.54 : 2,237,512,094.48 = 878,827,752.30 : x
  2. Step 2: Convert to fraction form
    1,621,383,186.54/2,237,512,094.48 = 878,827,752.30/x
  3. Step 3: Cross multiply
    1,621,383,186.54x = 2,237,512,094.48 × 878,827,752.30
  4. Step 4: Simplify right side
    1,621,383,186.54x = 1,966,387,724,731,529,216
  5. Step 5: Solve for x
    x = 1,966,387,724,731,529,216/1,621,383,186.54
  6. Step 6: Final answer
    x = 1,212,784,085.25

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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.