Finding the Fourth Proportional to 497,619,220.80, 745,881,400.80 and 174,336,686.40
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Solution
The fourth proportional to 497,619,220.80, 745,881,400.80 and 174,336,686.40 is: 261,313,241.99
Step by Step Solution
- Step 1: Write the proportion equation
497,619,220.80 : 745,881,400.80 = 174,336,686.40 : x - Step 2: Convert to fraction form
497,619,220.80/745,881,400.80 = 174,336,686.40/x - Step 3: Cross multiply
497,619,220.80x = 745,881,400.80 × 174,336,686.40 - Step 4: Simplify right side
497,619,220.80x = 130,034,491,862,862,304 - Step 5: Solve for x
x = 130,034,491,862,862,304/497,619,220.80 - Step 6: Final answer
x = 261,313,241.99
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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.