Finding the Fourth Proportional to 328,562,298.98, 492,909,213.84 and 121,301,969.28
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Solution
The fourth proportional to 328,562,298.98, 492,909,213.84 and 121,301,969.28 is: 181,977,233.84
Step by Step Solution
- Step 1: Write the proportion equation
328,562,298.98 : 492,909,213.84 = 121,301,969.28 : x - Step 2: Convert to fraction form
328,562,298.98/492,909,213.84 = 121,301,969.28/x - Step 3: Cross multiply
328,562,298.98x = 492,909,213.84 × 121,301,969.28 - Step 4: Simplify right side
328,562,298.98x = 59,790,858,312,746,560 - Step 5: Solve for x
x = 59,790,858,312,746,560/328,562,298.98 - Step 6: Final answer
x = 181,977,233.84
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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.