Home / 681,080,351.41-939,890,848.98-367,814,535.22

Finding the Fourth Proportional to 681,080,351.41, 939,890,848.98 and 367,814,535.22

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Solution

The fourth proportional to 681,080,351.41, 939,890,848.98 and 367,814,535.22 is: 507,584,039.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,080,351.41 : 939,890,848.98 = 367,814,535.22 : x
  2. Step 2: Convert to fraction form
    681,080,351.41/939,890,848.98 = 367,814,535.22/x
  3. Step 3: Cross multiply
    681,080,351.41x = 939,890,848.98 × 367,814,535.22
  4. Step 4: Simplify right side
    681,080,351.41x = 345,705,515,775,109,952
  5. Step 5: Solve for x
    x = 345,705,515,775,109,952/681,080,351.41
  6. Step 6: Final answer
    x = 507,584,039.18

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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.