Home / 673,985,132.10-1,011,089,672.55-265,054,623.30

Finding the Fourth Proportional to 673,985,132.10, 1,011,089,672.55 and 265,054,623.30

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Solution

The fourth proportional to 673,985,132.10, 1,011,089,672.55 and 265,054,623.30 is: 397,625,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,985,132.10 : 1,011,089,672.55 = 265,054,623.30 : x
  2. Step 2: Convert to fraction form
    673,985,132.10/1,011,089,672.55 = 265,054,623.30/x
  3. Step 3: Cross multiply
    673,985,132.10x = 1,011,089,672.55 × 265,054,623.30
  4. Step 4: Simplify right side
    673,985,132.10x = 267,993,992,280,260,608
  5. Step 5: Solve for x
    x = 267,993,992,280,260,608/673,985,132.10
  6. Step 6: Final answer
    x = 397,625,970.54

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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.