Home / 1,217,013,751,332.80-1,825,579,338,972.90-400,168,413,655.56

Finding the Fourth Proportional to 1,217,013,751,332.80, 1,825,579,338,972.90 and 400,168,413,655.56

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Solution

The fourth proportional to 1,217,013,751,332.80, 1,825,579,338,972.90 and 400,168,413,655.56 is: 600,271,925,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,013,751,332.80 : 1,825,579,338,972.90 = 400,168,413,655.56 : x
  2. Step 2: Convert to fraction form
    1,217,013,751,332.80/1,825,579,338,972.90 = 400,168,413,655.56/x
  3. Step 3: Cross multiply
    1,217,013,751,332.80x = 1,825,579,338,972.90 × 400,168,413,655.56
  4. Step 4: Simplify right side
    1,217,013,751,332.80x = 730,539,188,079,151,187,755,008
  5. Step 5: Solve for x
    x = 730,539,188,079,151,187,755,008/1,217,013,751,332.80
  6. Step 6: Final answer
    x = 600,271,925,669.79

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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.