Home / 1,621,820,476,021.50-2,238,114,473,238.90-880,227,323,330.75

Finding the Fourth Proportional to 1,621,820,476,021.50, 2,238,114,473,238.90 and 880,227,323,330.75

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Solution

The fourth proportional to 1,621,820,476,021.50, 2,238,114,473,238.90 and 880,227,323,330.75 is: 1,214,714,909,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,820,476,021.50 : 2,238,114,473,238.90 = 880,227,323,330.75 : x
  2. Step 2: Convert to fraction form
    1,621,820,476,021.50/2,238,114,473,238.90 = 880,227,323,330.75/x
  3. Step 3: Cross multiply
    1,621,820,476,021.50x = 2,238,114,473,238.90 × 880,227,323,330.75
  4. Step 4: Simplify right side
    1,621,820,476,021.50x = 1,970,049,512,086,888,490,467,328
  5. Step 5: Solve for x
    x = 1,970,049,512,086,888,490,467,328/1,621,820,476,021.50
  6. Step 6: Final answer
    x = 1,214,714,909,087.61

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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.