Home / 1,361,223,958.80-2,038,434,715.80-1,089,126,166.80

Finding the Fourth Proportional to 1,361,223,958.80, 2,038,434,715.80 and 1,089,126,166.80

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Solution

The fourth proportional to 1,361,223,958.80, 2,038,434,715.80 and 1,089,126,166.80 is: 1,630,967,904.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,223,958.80 : 2,038,434,715.80 = 1,089,126,166.80 : x
  2. Step 2: Convert to fraction form
    1,361,223,958.80/2,038,434,715.80 = 1,089,126,166.80/x
  3. Step 3: Cross multiply
    1,361,223,958.80x = 2,038,434,715.80 × 1,089,126,166.80
  4. Step 4: Simplify right side
    1,361,223,958.80x = 2,220,112,588,291,301,120
  5. Step 5: Solve for x
    x = 2,220,112,588,291,301,120/1,361,223,958.80
  6. Step 6: Final answer
    x = 1,630,967,904.98

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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.