Finding the Fourth Proportional to 1,461,292,799.04, 2,192,261,606.04 and 426,234,687.84
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Solution
The fourth proportional to 1,461,292,799.04, 2,192,261,606.04 and 426,234,687.84 is: 639,446,072.63
Step by Step Solution
- Step 1: Write the proportion equation
1,461,292,799.04 : 2,192,261,606.04 = 426,234,687.84 : x - Step 2: Convert to fraction form
1,461,292,799.04/2,192,261,606.04 = 426,234,687.84/x - Step 3: Cross multiply
1,461,292,799.04x = 2,192,261,606.04 × 426,234,687.84 - Step 4: Simplify right side
1,461,292,799.04x = 934,417,941,314,076,416 - Step 5: Solve for x
x = 934,417,941,314,076,416/1,461,292,799.04 - Step 6: Final answer
x = 639,446,072.63
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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.