Finding the Fourth Proportional to 368,050,431.43, 507,901,420.63 and 203,037,957.19
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Solution
The fourth proportional to 368,050,431.43, 507,901,420.63 and 203,037,957.19 is: 280,187,871.26
Step by Step Solution
- Step 1: Write the proportion equation
368,050,431.43 : 507,901,420.63 = 203,037,957.19 : x - Step 2: Convert to fraction form
368,050,431.43/507,901,420.63 = 203,037,957.19/x - Step 3: Cross multiply
368,050,431.43x = 507,901,420.63 × 203,037,957.19 - Step 4: Simplify right side
368,050,431.43x = 103,123,266,896,836,768 - Step 5: Solve for x
x = 103,123,266,896,836,768/368,050,431.43 - Step 6: Final answer
x = 280,187,871.26
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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.