Finding the Fourth Proportional to 845,813,929.60, 1,268,782,042.64 and 354,032,599.96
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Solution
The fourth proportional to 845,813,929.60, 1,268,782,042.64 and 354,032,599.96 is: 531,074,494.78
Step by Step Solution
- Step 1: Write the proportion equation
845,813,929.60 : 1,268,782,042.64 = 354,032,599.96 : x - Step 2: Convert to fraction form
845,813,929.60/1,268,782,042.64 = 354,032,599.96/x - Step 3: Cross multiply
845,813,929.60x = 1,268,782,042.64 × 354,032,599.96 - Step 4: Simplify right side
845,813,929.60x = 449,190,205,338,398,784 - Step 5: Solve for x
x = 449,190,205,338,398,784/845,813,929.60 - Step 6: Final answer
x = 531,074,494.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.