Finding the Fourth Proportional to 1,110,472,897.38, 1,655,781,432.68 and 1,079,963,534.18
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Solution
The fourth proportional to 1,110,472,897.38, 1,655,781,432.68 and 1,079,963,534.18 is: 1,610,290,149.42
Step by Step Solution
- Step 1: Write the proportion equation
1,110,472,897.38 : 1,655,781,432.68 = 1,079,963,534.18 : x - Step 2: Convert to fraction form
1,110,472,897.38/1,655,781,432.68 = 1,079,963,534.18/x - Step 3: Cross multiply
1,110,472,897.38x = 1,655,781,432.68 × 1,079,963,534.18 - Step 4: Simplify right side
1,110,472,897.38x = 1,788,183,567,853,037,568 - Step 5: Solve for x
x = 1,788,183,567,853,037,568/1,110,472,897.38 - Step 6: Final answer
x = 1,610,290,149.42
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.