Home / 295,632,142.21-407,833,449.15-210,877,993.81

Finding the Fourth Proportional to 295,632,142.21, 407,833,449.15 and 210,877,993.81

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Solution

The fourth proportional to 295,632,142.21, 407,833,449.15 and 210,877,993.81 is: 290,912,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,632,142.21 : 407,833,449.15 = 210,877,993.81 : x
  2. Step 2: Convert to fraction form
    295,632,142.21/407,833,449.15 = 210,877,993.81/x
  3. Step 3: Cross multiply
    295,632,142.21x = 407,833,449.15 × 210,877,993.81
  4. Step 4: Simplify right side
    295,632,142.21x = 86,003,099,566,090,192
  5. Step 5: Solve for x
    x = 86,003,099,566,090,192/295,632,142.21
  6. Step 6: Final answer
    x = 290,912,547.34

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1.5x scale

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.