Finding the Fourth Proportional to 469,902,455.21, 648,427,430.63 and 271,676,726.75
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Solution
The fourth proportional to 469,902,455.21, 648,427,430.63 and 271,676,726.75 is: 374,891,937.54
Step by Step Solution
- Step 1: Write the proportion equation
469,902,455.21 : 648,427,430.63 = 271,676,726.75 : x - Step 2: Convert to fraction form
469,902,455.21/648,427,430.63 = 271,676,726.75/x - Step 3: Cross multiply
469,902,455.21x = 648,427,430.63 × 271,676,726.75 - Step 4: Simplify right side
469,902,455.21x = 176,162,641,885,908,160 - Step 5: Solve for x
x = 176,162,641,885,908,160/469,902,455.21 - Step 6: Final answer
x = 374,891,937.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.