Finding the Fourth Proportional to 6,371,141,466.75, 8,791,726,262.73 and 3,551,624,675.07
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Solution
The fourth proportional to 6,371,141,466.75, 8,791,726,262.73 and 3,551,624,675.07 is: 4,900,991,775.83
Step by Step Solution
- Step 1: Write the proportion equation
6,371,141,466.75 : 8,791,726,262.73 = 3,551,624,675.07 : x - Step 2: Convert to fraction form
6,371,141,466.75/8,791,726,262.73 = 3,551,624,675.07/x - Step 3: Cross multiply
6,371,141,466.75x = 8,791,726,262.73 × 3,551,624,675.07 - Step 4: Simplify right side
6,371,141,466.75x = 31,224,911,931,172,823,040 - Step 5: Solve for x
x = 31,224,911,931,172,823,040/6,371,141,466.75 - Step 6: Final answer
x = 4,900,991,775.83
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1.5x scale
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.