Finding the Fourth Proportional to 343,982,353.95, 474,749,562.11 and 202,869,084.96
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Solution
The fourth proportional to 343,982,353.95, 474,749,562.11 and 202,869,084.96 is: 279,991,133.68
Step by Step Solution
- Step 1: Write the proportion equation
343,982,353.95 : 474,749,562.11 = 202,869,084.96 : x - Step 2: Convert to fraction form
343,982,353.95/474,749,562.11 = 202,869,084.96/x - Step 3: Cross multiply
343,982,353.95x = 474,749,562.11 × 202,869,084.96 - Step 4: Simplify right side
343,982,353.95x = 96,312,009,249,402,048 - Step 5: Solve for x
x = 96,312,009,249,402,048/343,982,353.95 - Step 6: Final answer
x = 279,991,133.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.