Finding the Fourth Proportional to 1,165,430,155.20, 1,748,145,232.80 and 1,158,627,710.40
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Solution
The fourth proportional to 1,165,430,155.20, 1,748,145,232.80 and 1,158,627,710.40 is: 1,737,941,565.60
Step by Step Solution
- Step 1: Write the proportion equation
1,165,430,155.20 : 1,748,145,232.80 = 1,158,627,710.40 : x - Step 2: Convert to fraction form
1,165,430,155.20/1,748,145,232.80 = 1,158,627,710.40/x - Step 3: Cross multiply
1,165,430,155.20x = 1,748,145,232.80 × 1,158,627,710.40 - Step 4: Simplify right side
1,165,430,155.20x = 2,025,449,508,525,739,008 - Step 5: Solve for x
x = 2,025,449,508,525,739,008/1,165,430,155.20 - Step 6: Final answer
x = 1,737,941,565.60
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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.