Home / 646,823,074.60-970,234,611.90-186,776,252.20

Finding the Fourth Proportional to 646,823,074.60, 970,234,611.90 and 186,776,252.20

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Solution

The fourth proportional to 646,823,074.60, 970,234,611.90 and 186,776,252.20 is: 280,164,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,823,074.60 : 970,234,611.90 = 186,776,252.20 : x
  2. Step 2: Convert to fraction form
    646,823,074.60/970,234,611.90 = 186,776,252.20/x
  3. Step 3: Cross multiply
    646,823,074.60x = 970,234,611.90 × 186,776,252.20
  4. Step 4: Simplify right side
    646,823,074.60x = 181,216,784,565,403,520
  5. Step 5: Solve for x
    x = 181,216,784,565,403,520/646,823,074.60
  6. Step 6: Final answer
    x = 280,164,378.30

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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.