Home / 1,621,383,184.16-2,237,512,091.21-878,827,749.92

Finding the Fourth Proportional to 1,621,383,184.16, 2,237,512,091.21 and 878,827,749.92

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Solution

The fourth proportional to 1,621,383,184.16, 2,237,512,091.21 and 878,827,749.92 is: 1,212,784,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,383,184.16 : 2,237,512,091.21 = 878,827,749.92 : x
  2. Step 2: Convert to fraction form
    1,621,383,184.16/2,237,512,091.21 = 878,827,749.92/x
  3. Step 3: Cross multiply
    1,621,383,184.16x = 2,237,512,091.21 × 878,827,749.92
  4. Step 4: Simplify right side
    1,621,383,184.16x = 1,966,387,716,536,878,080
  5. Step 5: Solve for x
    x = 1,966,387,716,536,878,080/1,621,383,184.16
  6. Step 6: Final answer
    x = 1,212,784,081.98

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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.