Finding the Fourth Proportional to 7,834,882,374,015.40, 10,812,170,333,828 and 4,319,104,211,512.80
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Solution
The fourth proportional to 7,834,882,374,015.40, 10,812,170,333,828 and 4,319,104,211,512.80 is: 5,960,381,814,959.78
Step by Step Solution
- Step 1: Write the proportion equation
7,834,882,374,015.40 : 10,812,170,333,828 = 4,319,104,211,512.80 : x - Step 2: Convert to fraction form
7,834,882,374,015.40/10,812,170,333,828 = 4,319,104,211,512.80/x - Step 3: Cross multiply
7,834,882,374,015.40x = 10,812,170,333,828 × 4,319,104,211,512.80 - Step 4: Simplify right side
7,834,882,374,015.40x = 46,698,890,424,430,266,456,997,888 - Step 5: Solve for x
x = 46,698,890,424,430,266,456,997,888/7,834,882,374,015.40 - Step 6: Final answer
x = 5,960,381,814,959.78
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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.