Home / 2,085,830,430.80-3,129,123,559.80-1,048,079,685.20

Finding the Fourth Proportional to 2,085,830,430.80, 3,129,123,559.80 and 1,048,079,685.20

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Solution

The fourth proportional to 2,085,830,430.80, 3,129,123,559.80 and 1,048,079,685.20 is: 1,572,309,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,830,430.80 : 3,129,123,559.80 = 1,048,079,685.20 : x
  2. Step 2: Convert to fraction form
    2,085,830,430.80/3,129,123,559.80 = 1,048,079,685.20/x
  3. Step 3: Cross multiply
    2,085,830,430.80x = 3,129,123,559.80 × 1,048,079,685.20
  4. Step 4: Simplify right side
    2,085,830,430.80x = 3,279,570,835,507,087,872
  5. Step 5: Solve for x
    x = 3,279,570,835,507,087,872/2,085,830,430.80
  6. Step 6: Final answer
    x = 1,572,309,420.31

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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.