Finding the Fourth Proportional to 1,374,395,690.64, 1,896,650,109.84 and 747,853,323.68
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Solution
The fourth proportional to 1,374,395,690.64, 1,896,650,109.84 and 747,853,323.68 is: 1,032,028,911.44
Step by Step Solution
- Step 1: Write the proportion equation
1,374,395,690.64 : 1,896,650,109.84 = 747,853,323.68 : x - Step 2: Convert to fraction form
1,374,395,690.64/1,896,650,109.84 = 747,853,323.68/x - Step 3: Cross multiply
1,374,395,690.64x = 1,896,650,109.84 × 747,853,323.68 - Step 4: Simplify right side
1,374,395,690.64x = 1,418,416,088,501,880,832 - Step 5: Solve for x
x = 1,418,416,088,501,880,832/1,374,395,690.64 - Step 6: Final answer
x = 1,032,028,911.44
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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.