Finding the Fourth Proportional to 1,357,149,237.26, 1,873,017,599.94 and 821,595,984.30
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Solution
The fourth proportional to 1,357,149,237.26, 1,873,017,599.94 and 821,595,984.30 is: 1,133,894,266.30
Step by Step Solution
- Step 1: Write the proportion equation
1,357,149,237.26 : 1,873,017,599.94 = 821,595,984.30 : x - Step 2: Convert to fraction form
1,357,149,237.26/1,873,017,599.94 = 821,595,984.30/x - Step 3: Cross multiply
1,357,149,237.26x = 1,873,017,599.94 × 821,595,984.30 - Step 4: Simplify right side
1,357,149,237.26x = 1,538,863,738,633,927,936 - Step 5: Solve for x
x = 1,538,863,738,633,927,936/1,357,149,237.26 - Step 6: Final answer
x = 1,133,894,266.30
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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.