Home / 648,993,786.21-895,655,366.33-366,638,297.31

Finding the Fourth Proportional to 648,993,786.21, 895,655,366.33 and 366,638,297.31

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Solution

The fourth proportional to 648,993,786.21, 895,655,366.33 and 366,638,297.31 is: 505,985,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,993,786.21 : 895,655,366.33 = 366,638,297.31 : x
  2. Step 2: Convert to fraction form
    648,993,786.21/895,655,366.33 = 366,638,297.31/x
  3. Step 3: Cross multiply
    648,993,786.21x = 895,655,366.33 × 366,638,297.31
  4. Step 4: Simplify right side
    648,993,786.21x = 328,381,558,485,962,304
  5. Step 5: Solve for x
    x = 328,381,558,485,962,304/648,993,786.21
  6. Step 6: Final answer
    x = 505,985,674.23

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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.