Home / 1,621,820,476,500.20-2,238,114,473,896.80-880,227,323,806.88

Finding the Fourth Proportional to 1,621,820,476,500.20, 2,238,114,473,896.80 and 880,227,323,806.88

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Solution

The fourth proportional to 1,621,820,476,500.20, 2,238,114,473,896.80 and 880,227,323,806.88 is: 1,214,714,909,743.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,820,476,500.20 : 2,238,114,473,896.80 = 880,227,323,806.88 : x
  2. Step 2: Convert to fraction form
    1,621,820,476,500.20/2,238,114,473,896.80 = 880,227,323,806.88/x
  3. Step 3: Cross multiply
    1,621,820,476,500.20x = 2,238,114,473,896.80 × 880,227,323,806.88
  4. Step 4: Simplify right side
    1,621,820,476,500.20x = 1,970,049,513,731,623,399,456,768
  5. Step 5: Solve for x
    x = 1,970,049,513,731,623,399,456,768/1,621,820,476,500.20
  6. Step 6: Final answer
    x = 1,214,714,909,743.21

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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.