Finding the Fourth Proportional to 1,541,460,993.66, 2,127,218,277.78 and 836,612,985.96
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Solution
The fourth proportional to 1,541,460,993.66, 2,127,218,277.78 and 836,612,985.96 is: 1,154,527,063.92
Step by Step Solution
- Step 1: Write the proportion equation
1,541,460,993.66 : 2,127,218,277.78 = 836,612,985.96 : x - Step 2: Convert to fraction form
1,541,460,993.66/2,127,218,277.78 = 836,612,985.96/x - Step 3: Cross multiply
1,541,460,993.66x = 2,127,218,277.78 × 836,612,985.96 - Step 4: Simplify right side
1,541,460,993.66x = 1,779,658,435,162,214,656 - Step 5: Solve for x
x = 1,779,658,435,162,214,656/1,541,460,993.66 - Step 6: Final answer
x = 1,154,527,063.92
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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.