Home / 681,080,349.69-939,890,846.61-367,814,533.50

Finding the Fourth Proportional to 681,080,349.69, 939,890,846.61 and 367,814,533.50

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Solution

The fourth proportional to 681,080,349.69, 939,890,846.61 and 367,814,533.50 is: 507,584,036.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,080,349.69 : 939,890,846.61 = 367,814,533.50 : x
  2. Step 2: Convert to fraction form
    681,080,349.69/939,890,846.61 = 367,814,533.50/x
  3. Step 3: Cross multiply
    681,080,349.69x = 939,890,846.61 × 367,814,533.50
  4. Step 4: Simplify right side
    681,080,349.69x = 345,705,513,286,777,216
  5. Step 5: Solve for x
    x = 345,705,513,286,777,216/681,080,349.69
  6. Step 6: Final answer
    x = 507,584,036.81

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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.