Home / 648,567,218.42-972,649,621.26-233,990,145.32

Finding the Fourth Proportional to 648,567,218.42, 972,649,621.26 and 233,990,145.32

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Solution

The fourth proportional to 648,567,218.42, 972,649,621.26 and 233,990,145.32 is: 350,912,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,567,218.42 : 972,649,621.26 = 233,990,145.32 : x
  2. Step 2: Convert to fraction form
    648,567,218.42/972,649,621.26 = 233,990,145.32/x
  3. Step 3: Cross multiply
    648,567,218.42x = 972,649,621.26 × 233,990,145.32
  4. Step 4: Simplify right side
    648,567,218.42x = 227,590,426,224,070,368
  5. Step 5: Solve for x
    x = 227,590,426,224,070,368/648,567,218.42
  6. Step 6: Final answer
    x = 350,912,626.73

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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.