Home / 326,682,006.40-490,023,009.60-132,686,358.40

Finding the Fourth Proportional to 326,682,006.40, 490,023,009.60 and 132,686,358.40

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Solution

The fourth proportional to 326,682,006.40, 490,023,009.60 and 132,686,358.40 is: 199,029,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,682,006.40 : 490,023,009.60 = 132,686,358.40 : x
  2. Step 2: Convert to fraction form
    326,682,006.40/490,023,009.60 = 132,686,358.40/x
  3. Step 3: Cross multiply
    326,682,006.40x = 490,023,009.60 × 132,686,358.40
  4. Step 4: Simplify right side
    326,682,006.40x = 65,019,368,676,032,248
  5. Step 5: Solve for x
    x = 65,019,368,676,032,248/326,682,006.40
  6. Step 6: Final answer
    x = 199,029,537.60

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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.