Home / 368,636,373.25-552,950,772.60-213,091,208.68

Finding the Fourth Proportional to 368,636,373.25, 552,950,772.60 and 213,091,208.68

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Solution

The fourth proportional to 368,636,373.25, 552,950,772.60 and 213,091,208.68 is: 319,634,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,636,373.25 : 552,950,772.60 = 213,091,208.68 : x
  2. Step 2: Convert to fraction form
    368,636,373.25/552,950,772.60 = 213,091,208.68/x
  3. Step 3: Cross multiply
    368,636,373.25x = 552,950,772.60 × 213,091,208.68
  4. Step 4: Simplify right side
    368,636,373.25x = 117,828,948,473,873,840
  5. Step 5: Solve for x
    x = 117,828,948,473,873,840/368,636,373.25
  6. Step 6: Final answer
    x = 319,634,623.78

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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.