Finding the Fourth Proportional to 374,909,474.37, 517,335,687.56 and 207,641,353.85
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Solution
The fourth proportional to 374,909,474.37, 517,335,687.56 and 207,641,353.85 is: 286,523,254.02
Step by Step Solution
- Step 1: Write the proportion equation
374,909,474.37 : 517,335,687.56 = 207,641,353.85 : x - Step 2: Convert to fraction form
374,909,474.37/517,335,687.56 = 207,641,353.85/x - Step 3: Cross multiply
374,909,474.37x = 517,335,687.56 × 207,641,353.85 - Step 4: Simplify right side
374,909,474.37x = 107,420,282,557,811,424 - Step 5: Solve for x
x = 107,420,282,557,811,424/374,909,474.37 - Step 6: Final answer
x = 286,523,254.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.