Home / 170,950,986,020.40-256,426,479,030.60-82,791,301,412.40

Finding the Fourth Proportional to 170,950,986,020.40, 256,426,479,030.60 and 82,791,301,412.40

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Solution

The fourth proportional to 170,950,986,020.40, 256,426,479,030.60 and 82,791,301,412.40 is: 124,186,952,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,950,986,020.40 : 256,426,479,030.60 = 82,791,301,412.40 : x
  2. Step 2: Convert to fraction form
    170,950,986,020.40/256,426,479,030.60 = 82,791,301,412.40/x
  3. Step 3: Cross multiply
    170,950,986,020.40x = 256,426,479,030.60 × 82,791,301,412.40
  4. Step 4: Simplify right side
    170,950,986,020.40x = 21,229,881,915,542,870,163,456
  5. Step 5: Solve for x
    x = 21,229,881,915,542,870,163,456/170,950,986,020.40
  6. Step 6: Final answer
    x = 124,186,952,118.60

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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.