Home / 335,990,717.40-503,986,076.10-286,672,992.60

Finding the Fourth Proportional to 335,990,717.40, 503,986,076.10 and 286,672,992.60

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Solution

The fourth proportional to 335,990,717.40, 503,986,076.10 and 286,672,992.60 is: 430,009,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,990,717.40 : 503,986,076.10 = 286,672,992.60 : x
  2. Step 2: Convert to fraction form
    335,990,717.40/503,986,076.10 = 286,672,992.60/x
  3. Step 3: Cross multiply
    335,990,717.40x = 503,986,076.10 × 286,672,992.60
  4. Step 4: Simplify right side
    335,990,717.40x = 144,479,196,664,318,368
  5. Step 5: Solve for x
    x = 144,479,196,664,318,368/335,990,717.40
  6. Step 6: Final answer
    x = 430,009,488.90

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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.