Home / 427,798,922,708.35-641,698,384,062.55-229,439,632,340.35

Finding the Fourth Proportional to 427,798,922,708.35, 641,698,384,062.55 and 229,439,632,340.35

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Solution

The fourth proportional to 427,798,922,708.35, 641,698,384,062.55 and 229,439,632,340.35 is: 344,159,448,510.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,798,922,708.35 : 641,698,384,062.55 = 229,439,632,340.35 : x
  2. Step 2: Convert to fraction form
    427,798,922,708.35/641,698,384,062.55 = 229,439,632,340.35/x
  3. Step 3: Cross multiply
    427,798,922,708.35x = 641,698,384,062.55 × 229,439,632,340.35
  4. Step 4: Simplify right side
    427,798,922,708.35x = 147,231,041,312,708,198,662,144
  5. Step 5: Solve for x
    x = 147,231,041,312,708,198,662,144/427,798,922,708.35
  6. Step 6: Final answer
    x = 344,159,448,510.54

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Double scale
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Similar ratio
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1.5x scale

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.