Finding the Fourth Proportional to 1,545,324,399.22, 2,133,102,373.95 and 918,791,332.48
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Solution
The fourth proportional to 1,545,324,399.22, 2,133,102,373.95 and 918,791,332.48 is: 1,268,261,844.23
Step by Step Solution
- Step 1: Write the proportion equation
1,545,324,399.22 : 2,133,102,373.95 = 918,791,332.48 : x - Step 2: Convert to fraction form
1,545,324,399.22/2,133,102,373.95 = 918,791,332.48/x - Step 3: Cross multiply
1,545,324,399.22x = 2,133,102,373.95 × 918,791,332.48 - Step 4: Simplify right side
1,545,324,399.22x = 1,959,875,972,477,771,776 - Step 5: Solve for x
x = 1,959,875,972,477,771,776/1,545,324,399.22 - Step 6: Final answer
x = 1,268,261,844.23
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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.