Home / 1,393,611,795.90-1,923,111,095.49-766,960,450.74

Finding the Fourth Proportional to 1,393,611,795.90, 1,923,111,095.49 and 766,960,450.74

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Solution

The fourth proportional to 1,393,611,795.90, 1,923,111,095.49 and 766,960,450.74 is: 1,058,365,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,611,795.90 : 1,923,111,095.49 = 766,960,450.74 : x
  2. Step 2: Convert to fraction form
    1,393,611,795.90/1,923,111,095.49 = 766,960,450.74/x
  3. Step 3: Cross multiply
    1,393,611,795.90x = 1,923,111,095.49 × 766,960,450.74
  4. Step 4: Simplify right side
    1,393,611,795.90x = 1,474,950,152,620,105,728
  5. Step 5: Solve for x
    x = 1,474,950,152,620,105,728/1,393,611,795.90
  6. Step 6: Final answer
    x = 1,058,365,146.56

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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.