Home / 1,346,618,973.24-2,020,121,237.43-414,020,128.59

Finding the Fourth Proportional to 1,346,618,973.24, 2,020,121,237.43 and 414,020,128.59

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Solution

The fourth proportional to 1,346,618,973.24, 2,020,121,237.43 and 414,020,128.59 is: 621,089,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,618,973.24 : 2,020,121,237.43 = 414,020,128.59 : x
  2. Step 2: Convert to fraction form
    1,346,618,973.24/2,020,121,237.43 = 414,020,128.59/x
  3. Step 3: Cross multiply
    1,346,618,973.24x = 2,020,121,237.43 × 414,020,128.59
  4. Step 4: Simplify right side
    1,346,618,973.24x = 836,370,854,488,158,464
  5. Step 5: Solve for x
    x = 836,370,854,488,158,464/1,346,618,973.24
  6. Step 6: Final answer
    x = 621,089,462.65

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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.