Finding the Fourth Proportional to 1,539,118,773.26, 2,123,927,004.68 and 834,255,621.08
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Solution
The fourth proportional to 1,539,118,773.26, 2,123,927,004.68 and 834,255,621.08 is: 1,151,241,914.01
Step by Step Solution
- Step 1: Write the proportion equation
1,539,118,773.26 : 2,123,927,004.68 = 834,255,621.08 : x - Step 2: Convert to fraction form
1,539,118,773.26/2,123,927,004.68 = 834,255,621.08/x - Step 3: Cross multiply
1,539,118,773.26x = 2,123,927,004.68 × 834,255,621.08 - Step 4: Simplify right side
1,539,118,773.26x = 1,771,898,042,417,897,728 - Step 5: Solve for x
x = 1,771,898,042,417,897,728/1,539,118,773.26 - Step 6: Final answer
x = 1,151,241,914.01
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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.