Finding the Fourth Proportional to 368,681,769.21, 552,636,393.75 and 171,782,827.88
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Solution
The fourth proportional to 368,681,769.21, 552,636,393.75 and 171,782,827.88 is: 257,494,268.59
Step by Step Solution
- Step 1: Write the proportion equation
368,681,769.21 : 552,636,393.75 = 171,782,827.88 : x - Step 2: Convert to fraction form
368,681,769.21/552,636,393.75 = 171,782,827.88/x - Step 3: Cross multiply
368,681,769.21x = 552,636,393.75 × 171,782,827.88 - Step 4: Simplify right side
368,681,769.21x = 94,933,442,505,016,976 - Step 5: Solve for x
x = 94,933,442,505,016,976/368,681,769.21 - Step 6: Final answer
x = 257,494,268.59
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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.