Finding the Fourth Proportional to 7,838,248,805.21, 11,759,075,713.50 and 2,863,962,669.05
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Solution
The fourth proportional to 7,838,248,805.21, 11,759,075,713.50 and 2,863,962,669.05 is: 4,296,566,070.17
Step by Step Solution
- Step 1: Write the proportion equation
7,838,248,805.21 : 11,759,075,713.50 = 2,863,962,669.05 : x - Step 2: Convert to fraction form
7,838,248,805.21/11,759,075,713.50 = 2,863,962,669.05/x - Step 3: Cross multiply
7,838,248,805.21x = 11,759,075,713.50 × 2,863,962,669.05 - Step 4: Simplify right side
7,838,248,805.21x = 33,677,553,865,982,177,280 - Step 5: Solve for x
x = 33,677,553,865,982,177,280/7,838,248,805.21 - Step 6: Final answer
x = 4,296,566,070.17
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1.5x scale
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.