Home / 789,457,492.53-1,089,109,356.66-476,017,576.47

Finding the Fourth Proportional to 789,457,492.53, 1,089,109,356.66 and 476,017,576.47

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Solution

The fourth proportional to 789,457,492.53, 1,089,109,356.66 and 476,017,576.47 is: 656,698,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,457,492.53 : 1,089,109,356.66 = 476,017,576.47 : x
  2. Step 2: Convert to fraction form
    789,457,492.53/1,089,109,356.66 = 476,017,576.47/x
  3. Step 3: Cross multiply
    789,457,492.53x = 1,089,109,356.66 × 476,017,576.47
  4. Step 4: Simplify right side
    789,457,492.53x = 518,435,196,468,094,144
  5. Step 5: Solve for x
    x = 518,435,196,468,094,144/789,457,492.53
  6. Step 6: Final answer
    x = 656,698,050.72

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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.