Home / 1,089,021,802.60-1,633,532,703.90-271,134,103.60

Finding the Fourth Proportional to 1,089,021,802.60, 1,633,532,703.90 and 271,134,103.60

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Solution

The fourth proportional to 1,089,021,802.60, 1,633,532,703.90 and 271,134,103.60 is: 406,701,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,021,802.60 : 1,633,532,703.90 = 271,134,103.60 : x
  2. Step 2: Convert to fraction form
    1,089,021,802.60/1,633,532,703.90 = 271,134,103.60/x
  3. Step 3: Cross multiply
    1,089,021,802.60x = 1,633,532,703.90 × 271,134,103.60
  4. Step 4: Simplify right side
    1,089,021,802.60x = 442,906,425,373,210,816
  5. Step 5: Solve for x
    x = 442,906,425,373,210,816/1,089,021,802.60
  6. Step 6: Final answer
    x = 406,701,155.40

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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.