Home / 1,109,732,939.60-1,664,095,524.60-419,410,763.60

Finding the Fourth Proportional to 1,109,732,939.60, 1,664,095,524.60 and 419,410,763.60

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Solution

The fourth proportional to 1,109,732,939.60, 1,664,095,524.60 and 419,410,763.60 is: 628,925,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,732,939.60 : 1,664,095,524.60 = 419,410,763.60 : x
  2. Step 2: Convert to fraction form
    1,109,732,939.60/1,664,095,524.60 = 419,410,763.60/x
  3. Step 3: Cross multiply
    1,109,732,939.60x = 1,664,095,524.60 × 419,410,763.60
  4. Step 4: Simplify right side
    1,109,732,939.60x = 697,939,574,675,828,608
  5. Step 5: Solve for x
    x = 697,939,574,675,828,608/1,109,732,939.60
  6. Step 6: Final answer
    x = 628,925,707.95

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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.