Finding the Fourth Proportional to 451,119,722,238.80, 676,957,914,612.58 and 209,051,712,415.92
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Solution
The fourth proportional to 451,119,722,238.80, 676,957,914,612.58 and 209,051,712,415.92 is: 313,706,549,075.14
Step by Step Solution
- Step 1: Write the proportion equation
451,119,722,238.80 : 676,957,914,612.58 = 209,051,712,415.92 : x - Step 2: Convert to fraction form
451,119,722,238.80/676,957,914,612.58 = 209,051,712,415.92/x - Step 3: Cross multiply
451,119,722,238.80x = 676,957,914,612.58 × 209,051,712,415.92 - Step 4: Simplify right side
451,119,722,238.80x = 141,519,211,283,269,996,773,376 - Step 5: Solve for x
x = 141,519,211,283,269,996,773,376/451,119,722,238.80 - Step 6: Final answer
x = 313,706,549,075.14
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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.