Home / 620,614,594.64-856,454,085.74-342,166,104.56

Finding the Fourth Proportional to 620,614,594.64, 856,454,085.74 and 342,166,104.56

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Solution

The fourth proportional to 620,614,594.64, 856,454,085.74 and 342,166,104.56 is: 472,192,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,614,594.64 : 856,454,085.74 = 342,166,104.56 : x
  2. Step 2: Convert to fraction form
    620,614,594.64/856,454,085.74 = 342,166,104.56/x
  3. Step 3: Cross multiply
    620,614,594.64x = 856,454,085.74 × 342,166,104.56
  4. Step 4: Simplify right side
    620,614,594.64x = 293,049,558,255,148,608
  5. Step 5: Solve for x
    x = 293,049,558,255,148,608/620,614,594.64
  6. Step 6: Final answer
    x = 472,192,502.05

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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.