Home / 1,376,401,929,215.80-2,064,250,737,960.60-408,083,943,118.50

Finding the Fourth Proportional to 1,376,401,929,215.80, 2,064,250,737,960.60 and 408,083,943,118.50

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Solution

The fourth proportional to 1,376,401,929,215.80, 2,064,250,737,960.60 and 408,083,943,118.50 is: 612,021,505,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,401,929,215.80 : 2,064,250,737,960.60 = 408,083,943,118.50 : x
  2. Step 2: Convert to fraction form
    1,376,401,929,215.80/2,064,250,737,960.60 = 408,083,943,118.50/x
  3. Step 3: Cross multiply
    1,376,401,929,215.80x = 2,064,250,737,960.60 × 408,083,943,118.50
  4. Step 4: Simplify right side
    1,376,401,929,215.80x = 842,387,580,732,235,147,378,688
  5. Step 5: Solve for x
    x = 842,387,580,732,235,147,378,688/1,376,401,929,215.80
  6. Step 6: Final answer
    x = 612,021,505,384.10

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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.