Finding the Fourth Proportional to 1,541,908,186.48, 2,312,862,221.40 and 451,391,254.48
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Solution
The fourth proportional to 1,541,908,186.48, 2,312,862,221.40 and 451,391,254.48 is: 677,086,864.65
Step by Step Solution
- Step 1: Write the proportion equation
1,541,908,186.48 : 2,312,862,221.40 = 451,391,254.48 : x - Step 2: Convert to fraction form
1,541,908,186.48/2,312,862,221.40 = 451,391,254.48/x - Step 3: Cross multiply
1,541,908,186.48x = 2,312,862,221.40 × 451,391,254.48 - Step 4: Simplify right side
1,541,908,186.48x = 1,044,005,779,557,145,600 - Step 5: Solve for x
x = 1,044,005,779,557,145,600/1,541,908,186.48 - Step 6: Final answer
x = 677,086,864.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.