Finding the Fourth Proportional to 1,506,006,243.18, 2,077,643,939.58 and 940,509,373.68
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Solution
The fourth proportional to 1,506,006,243.18, 2,077,643,939.58 and 940,509,373.68 is: 1,297,500,331.88
Step by Step Solution
- Step 1: Write the proportion equation
1,506,006,243.18 : 2,077,643,939.58 = 940,509,373.68 : x - Step 2: Convert to fraction form
1,506,006,243.18/2,077,643,939.58 = 940,509,373.68/x - Step 3: Cross multiply
1,506,006,243.18x = 2,077,643,939.58 × 940,509,373.68 - Step 4: Simplify right side
1,506,006,243.18x = 1,954,043,600,344,433,408 - Step 5: Solve for x
x = 1,954,043,600,344,433,408/1,506,006,243.18 - Step 6: Final answer
x = 1,297,500,331.88
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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.