Finding the Fourth Proportional to 621,461,252.88, 857,939,344.02 and 454,009,508.19
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Solution
The fourth proportional to 621,461,252.88, 857,939,344.02 and 454,009,508.19 is: 626,768,954.35
Step by Step Solution
- Step 1: Write the proportion equation
621,461,252.88 : 857,939,344.02 = 454,009,508.19 : x - Step 2: Convert to fraction form
621,461,252.88/857,939,344.02 = 454,009,508.19/x - Step 3: Cross multiply
621,461,252.88x = 857,939,344.02 × 454,009,508.19 - Step 4: Simplify right side
621,461,252.88x = 389,512,619,635,371,392 - Step 5: Solve for x
x = 389,512,619,635,371,392/621,461,252.88 - Step 6: Final answer
x = 626,768,954.35
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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.