Finding the Fourth Proportional to 898,156,901.30, 1,347,235,351.95 and 438,390,014.90
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Solution
The fourth proportional to 898,156,901.30, 1,347,235,351.95 and 438,390,014.90 is: 657,585,022.35
Step by Step Solution
- Step 1: Write the proportion equation
898,156,901.30 : 1,347,235,351.95 = 438,390,014.90 : x - Step 2: Convert to fraction form
898,156,901.30/1,347,235,351.95 = 438,390,014.90/x - Step 3: Cross multiply
898,156,901.30x = 1,347,235,351.95 × 438,390,014.90 - Step 4: Simplify right side
898,156,901.30x = 590,614,526,015,167,232 - Step 5: Solve for x
x = 590,614,526,015,167,232/898,156,901.30 - Step 6: Final answer
x = 657,585,022.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.