Home / 1,318,014,702.65-1,976,958,170.34-489,129,939.33

Finding the Fourth Proportional to 1,318,014,702.65, 1,976,958,170.34 and 489,129,939.33

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Solution

The fourth proportional to 1,318,014,702.65, 1,976,958,170.34 and 489,129,939.33 is: 733,671,201.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,014,702.65 : 1,976,958,170.34 = 489,129,939.33 : x
  2. Step 2: Convert to fraction form
    1,318,014,702.65/1,976,958,170.34 = 489,129,939.33/x
  3. Step 3: Cross multiply
    1,318,014,702.65x = 1,976,958,170.34 × 489,129,939.33
  4. Step 4: Simplify right side
    1,318,014,702.65x = 966,989,429,909,848,064
  5. Step 5: Solve for x
    x = 966,989,429,909,848,064/1,318,014,702.65
  6. Step 6: Final answer
    x = 733,671,201.06

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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.