Home / 1,102,430,503.80-1,653,645,755.70-489,014,729.55

Finding the Fourth Proportional to 1,102,430,503.80, 1,653,645,755.70 and 489,014,729.55

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Solution

The fourth proportional to 1,102,430,503.80, 1,653,645,755.70 and 489,014,729.55 is: 733,522,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,430,503.80 : 1,653,645,755.70 = 489,014,729.55 : x
  2. Step 2: Convert to fraction form
    1,102,430,503.80/1,653,645,755.70 = 489,014,729.55/x
  3. Step 3: Cross multiply
    1,102,430,503.80x = 1,653,645,755.70 × 489,014,729.55
  4. Step 4: Simplify right side
    1,102,430,503.80x = 808,657,131,995,140,864
  5. Step 5: Solve for x
    x = 808,657,131,995,140,864/1,102,430,503.80
  6. Step 6: Final answer
    x = 733,522,094.33

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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.