Home / 673,993,128.80-1,010,989,693.20-648,165,096.20

Finding the Fourth Proportional to 673,993,128.80, 1,010,989,693.20 and 648,165,096.20

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Solution

The fourth proportional to 673,993,128.80, 1,010,989,693.20 and 648,165,096.20 is: 972,247,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,993,128.80 : 1,010,989,693.20 = 648,165,096.20 : x
  2. Step 2: Convert to fraction form
    673,993,128.80/1,010,989,693.20 = 648,165,096.20/x
  3. Step 3: Cross multiply
    673,993,128.80x = 1,010,989,693.20 × 648,165,096.20
  4. Step 4: Simplify right side
    673,993,128.80x = 655,288,231,750,186,624
  5. Step 5: Solve for x
    x = 655,288,231,750,186,624/673,993,128.80
  6. Step 6: Final answer
    x = 972,247,644.30

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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.