Home / 335,990,733.40-503,986,100.10-286,673,008.60

Finding the Fourth Proportional to 335,990,733.40, 503,986,100.10 and 286,673,008.60

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Solution

The fourth proportional to 335,990,733.40, 503,986,100.10 and 286,673,008.60 is: 430,009,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,990,733.40 : 503,986,100.10 = 286,673,008.60 : x
  2. Step 2: Convert to fraction form
    335,990,733.40/503,986,100.10 = 286,673,008.60/x
  3. Step 3: Cross multiply
    335,990,733.40x = 503,986,100.10 × 286,673,008.60
  4. Step 4: Simplify right side
    335,990,733.40x = 144,479,211,608,247,776
  5. Step 5: Solve for x
    x = 144,479,211,608,247,776/335,990,733.40
  6. Step 6: Final answer
    x = 430,009,512.90

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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.