Home / 419,879,854.72-579,434,446.08-234,240,871.04

Finding the Fourth Proportional to 419,879,854.72, 579,434,446.08 and 234,240,871.04

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Solution

The fourth proportional to 419,879,854.72, 579,434,446.08 and 234,240,871.04 is: 323,252,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,879,854.72 : 579,434,446.08 = 234,240,871.04 : x
  2. Step 2: Convert to fraction form
    419,879,854.72/579,434,446.08 = 234,240,871.04/x
  3. Step 3: Cross multiply
    419,879,854.72x = 579,434,446.08 × 234,240,871.04
  4. Step 4: Simplify right side
    419,879,854.72x = 135,727,229,360,359,120
  5. Step 5: Solve for x
    x = 135,727,229,360,359,120/419,879,854.72
  6. Step 6: Final answer
    x = 323,252,539.59

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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.