Home / 354,613,745,655.69-489,367,440,927.33-192,033,671,947.42

Finding the Fourth Proportional to 354,613,745,655.69, 489,367,440,927.33 and 192,033,671,947.42

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Solution

The fourth proportional to 354,613,745,655.69, 489,367,440,927.33 and 192,033,671,947.42 is: 265,006,722,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,613,745,655.69 : 489,367,440,927.33 = 192,033,671,947.42 : x
  2. Step 2: Convert to fraction form
    354,613,745,655.69/489,367,440,927.33 = 192,033,671,947.42/x
  3. Step 3: Cross multiply
    354,613,745,655.69x = 489,367,440,927.33 × 192,033,671,947.42
  4. Step 4: Simplify right side
    354,613,745,655.69x = 93,975,026,612,787,342,213,120
  5. Step 5: Solve for x
    x = 93,975,026,612,787,342,213,120/354,613,745,655.69
  6. Step 6: Final answer
    x = 265,006,722,847.21

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1.5x scale

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.