Home / 1,658,629,282.48-2,288,893,340.88-905,942,301.40

Finding the Fourth Proportional to 1,658,629,282.48, 2,288,893,340.88 and 905,942,301.40

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Solution

The fourth proportional to 1,658,629,282.48, 2,288,893,340.88 and 905,942,301.40 is: 1,250,192,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,629,282.48 : 2,288,893,340.88 = 905,942,301.40 : x
  2. Step 2: Convert to fraction form
    1,658,629,282.48/2,288,893,340.88 = 905,942,301.40/x
  3. Step 3: Cross multiply
    1,658,629,282.48x = 2,288,893,340.88 × 905,942,301.40
  4. Step 4: Simplify right side
    1,658,629,282.48x = 2,073,605,300,895,961,856
  5. Step 5: Solve for x
    x = 2,073,605,300,895,961,856/1,658,629,282.48
  6. Step 6: Final answer
    x = 1,250,192,145.28

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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.