Home / 789,232,701.12-1,089,143,457.90-436,833,168

Finding the Fourth Proportional to 789,232,701.12, 1,089,143,457.90 and 436,833,168

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Solution

The fourth proportional to 789,232,701.12, 1,089,143,457.90 and 436,833,168 is: 602,831,061.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,232,701.12 : 1,089,143,457.90 = 436,833,168 : x
  2. Step 2: Convert to fraction form
    789,232,701.12/1,089,143,457.90 = 436,833,168/x
  3. Step 3: Cross multiply
    789,232,701.12x = 1,089,143,457.90 × 436,833,168
  4. Step 4: Simplify right side
    789,232,701.12x = 475,773,987,120,931,648
  5. Step 5: Solve for x
    x = 475,773,987,120,931,648/789,232,701.12
  6. Step 6: Final answer
    x = 602,831,061.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.