Finding the Fourth Proportional to 1,254,976,390.44, 1,880,283,019.66 and 880,690,465.76
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Solution
The fourth proportional to 1,254,976,390.44, 1,880,283,019.66 and 880,690,465.76 is: 1,319,504,765.95
Step by Step Solution
- Step 1: Write the proportion equation
1,254,976,390.44 : 1,880,283,019.66 = 880,690,465.76 : x - Step 2: Convert to fraction form
1,254,976,390.44/1,880,283,019.66 = 880,690,465.76/x - Step 3: Cross multiply
1,254,976,390.44x = 1,880,283,019.66 × 880,690,465.76 - Step 4: Simplify right side
1,254,976,390.44x = 1,655,947,328,344,984,576 - Step 5: Solve for x
x = 1,655,947,328,344,984,576/1,254,976,390.44 - Step 6: Final answer
x = 1,319,504,765.95
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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.