Finding the Fourth Proportional to 1,506,006,247.68, 2,077,643,945.79 and 940,509,378.18
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Solution
The fourth proportional to 1,506,006,247.68, 2,077,643,945.79 and 940,509,378.18 is: 1,297,500,338.09
Step by Step Solution
- Step 1: Write the proportion equation
1,506,006,247.68 : 2,077,643,945.79 = 940,509,378.18 : x - Step 2: Convert to fraction form
1,506,006,247.68/2,077,643,945.79 = 940,509,378.18/x - Step 3: Cross multiply
1,506,006,247.68x = 2,077,643,945.79 × 940,509,378.18 - Step 4: Simplify right side
1,506,006,247.68x = 1,954,043,615,534,394,368 - Step 5: Solve for x
x = 1,954,043,615,534,394,368/1,506,006,247.68 - Step 6: Final answer
x = 1,297,500,338.09
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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.