Home / 1,939,368,505.55-2,909,052,796.76-465,508,314.45

Finding the Fourth Proportional to 1,939,368,505.55, 2,909,052,796.76 and 465,508,314.45

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Solution

The fourth proportional to 1,939,368,505.55, 2,909,052,796.76 and 465,508,314.45 is: 698,262,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,368,505.55 : 2,909,052,796.76 = 465,508,314.45 : x
  2. Step 2: Convert to fraction form
    1,939,368,505.55/2,909,052,796.76 = 465,508,314.45/x
  3. Step 3: Cross multiply
    1,939,368,505.55x = 2,909,052,796.76 × 465,508,314.45
  4. Step 4: Simplify right side
    1,939,368,505.55x = 1,354,188,264,065,806,080
  5. Step 5: Solve for x
    x = 1,354,188,264,065,806,080/1,939,368,505.55
  6. Step 6: Final answer
    x = 698,262,480.90

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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.