Finding the Fourth Proportional to 442,785,173.60, 664,461,195.60 and 258,552,293.60
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Solution
The fourth proportional to 442,785,173.60, 664,461,195.60 and 258,552,293.60 is: 387,993,944.63
Step by Step Solution
- Step 1: Write the proportion equation
442,785,173.60 : 664,461,195.60 = 258,552,293.60 : x - Step 2: Convert to fraction form
442,785,173.60/664,461,195.60 = 258,552,293.60/x - Step 3: Cross multiply
442,785,173.60x = 664,461,195.60 × 258,552,293.60 - Step 4: Simplify right side
442,785,173.60x = 171,797,966,130,578,240 - Step 5: Solve for x
x = 171,797,966,130,578,240/442,785,173.60 - Step 6: Final answer
x = 387,993,944.63
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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.