Finding the Fourth Proportional to 1,442,202,101.70, 2,163,303,152.55 and 1,426,896,600.90
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Solution
The fourth proportional to 1,442,202,101.70, 2,163,303,152.55 and 1,426,896,600.90 is: 2,140,344,901.35
Step by Step Solution
- Step 1: Write the proportion equation
1,442,202,101.70 : 2,163,303,152.55 = 1,426,896,600.90 : x - Step 2: Convert to fraction form
1,442,202,101.70/2,163,303,152.55 = 1,426,896,600.90/x - Step 3: Cross multiply
1,442,202,101.70x = 2,163,303,152.55 × 1,426,896,600.90 - Step 4: Simplify right side
1,442,202,101.70x = 3,086,809,915,089,849,856 - Step 5: Solve for x
x = 3,086,809,915,089,849,856/1,442,202,101.70 - Step 6: Final answer
x = 2,140,344,901.35
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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.