Home / 675,287,551.82-1,012,982,413.96-208,996,137.49

Finding the Fourth Proportional to 675,287,551.82, 1,012,982,413.96 and 208,996,137.49

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Solution

The fourth proportional to 675,287,551.82, 1,012,982,413.96 and 208,996,137.49 is: 313,510,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,287,551.82 : 1,012,982,413.96 = 208,996,137.49 : x
  2. Step 2: Convert to fraction form
    675,287,551.82/1,012,982,413.96 = 208,996,137.49/x
  3. Step 3: Cross multiply
    675,287,551.82x = 1,012,982,413.96 × 208,996,137.49
  4. Step 4: Simplify right side
    675,287,551.82x = 211,709,411,861,378,496
  5. Step 5: Solve for x
    x = 211,709,411,861,378,496/675,287,551.82
  6. Step 6: Final answer
    x = 313,510,017.01

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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.