Finding the Fourth Proportional to 1,541,460,990.16, 2,127,218,272.95 and 836,612,982.46
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Solution
The fourth proportional to 1,541,460,990.16, 2,127,218,272.95 and 836,612,982.46 is: 1,154,527,059.09
Step by Step Solution
- Step 1: Write the proportion equation
1,541,460,990.16 : 2,127,218,272.95 = 836,612,982.46 : x - Step 2: Convert to fraction form
1,541,460,990.16/2,127,218,272.95 = 836,612,982.46/x - Step 3: Cross multiply
1,541,460,990.16x = 2,127,218,272.95 × 836,612,982.46 - Step 4: Simplify right side
1,541,460,990.16x = 1,779,658,423,676,110,080 - Step 5: Solve for x
x = 1,779,658,423,676,110,080/1,541,460,990.16 - Step 6: Final answer
x = 1,154,527,059.09
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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.