Home / 1,972,418,710.03-2,721,180,512.81-1,125,693,078.77

Finding the Fourth Proportional to 1,972,418,710.03, 2,721,180,512.81 and 1,125,693,078.77

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Solution

The fourth proportional to 1,972,418,710.03, 2,721,180,512.81 and 1,125,693,078.77 is: 1,553,024,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,418,710.03 : 2,721,180,512.81 = 1,125,693,078.77 : x
  2. Step 2: Convert to fraction form
    1,972,418,710.03/2,721,180,512.81 = 1,125,693,078.77/x
  3. Step 3: Cross multiply
    1,972,418,710.03x = 2,721,180,512.81 × 1,125,693,078.77
  4. Step 4: Simplify right side
    1,972,418,710.03x = 3,063,214,069,363,633,664
  5. Step 5: Solve for x
    x = 3,063,214,069,363,633,664/1,972,418,710.03
  6. Step 6: Final answer
    x = 1,553,024,240.64

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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.