Home / 368,636,370.21-552,950,768.06-213,091,205.65

Finding the Fourth Proportional to 368,636,370.21, 552,950,768.06 and 213,091,205.65

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Solution

The fourth proportional to 368,636,370.21, 552,950,768.06 and 213,091,205.65 is: 319,634,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,636,370.21 : 552,950,768.06 = 213,091,205.65 : x
  2. Step 2: Convert to fraction form
    368,636,370.21/552,950,768.06 = 213,091,205.65/x
  3. Step 3: Cross multiply
    368,636,370.21x = 552,950,768.06 × 213,091,205.65
  4. Step 4: Simplify right side
    368,636,370.21x = 117,828,945,828,551,072
  5. Step 5: Solve for x
    x = 117,828,945,828,551,072/368,636,370.21
  6. Step 6: Final answer
    x = 319,634,619.24

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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.