Home / 1,214,888,551.88-1,822,996,240.14-515,271,864.20

Finding the Fourth Proportional to 1,214,888,551.88, 1,822,996,240.14 and 515,271,864.20

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Solution

The fourth proportional to 1,214,888,551.88, 1,822,996,240.14 and 515,271,864.20 is: 773,189,170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,888,551.88 : 1,822,996,240.14 = 515,271,864.20 : x
  2. Step 2: Convert to fraction form
    1,214,888,551.88/1,822,996,240.14 = 515,271,864.20/x
  3. Step 3: Cross multiply
    1,214,888,551.88x = 1,822,996,240.14 × 515,271,864.20
  4. Step 4: Simplify right side
    1,214,888,551.88x = 939,338,671,086,528,640
  5. Step 5: Solve for x
    x = 939,338,671,086,528,640/1,214,888,551.88
  6. Step 6: Final answer
    x = 773,189,170.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.