Finding the Fourth Proportional to 7,859,717,907,574.80, 11,789,817,042,278 and 2,696,490,498,551.20
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Solution
The fourth proportional to 7,859,717,907,574.80, 11,789,817,042,278 and 2,696,490,498,551.20 is: 4,044,818,148,437.74
Step by Step Solution
- Step 1: Write the proportion equation
7,859,717,907,574.80 : 11,789,817,042,278 = 2,696,490,498,551.20 : x - Step 2: Convert to fraction form
7,859,717,907,574.80/11,789,817,042,278 = 2,696,490,498,551.20/x - Step 3: Cross multiply
7,859,717,907,574.80x = 11,789,817,042,278 × 2,696,490,498,551.20 - Step 4: Simplify right side
7,859,717,907,574.80x = 31,791,129,634,159,640,505,745,408 - Step 5: Solve for x
x = 31,791,129,634,159,640,505,745,408/7,859,717,907,574.80 - Step 6: Final answer
x = 4,044,818,148,437.74
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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.