Finding the Fourth Proportional to 9,657,817,815.80, 14,486,726,723.70 and 3,447,185,713.40
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Solution
The fourth proportional to 9,657,817,815.80, 14,486,726,723.70 and 3,447,185,713.40 is: 5,170,778,570.10
Step by Step Solution
- Step 1: Write the proportion equation
9,657,817,815.80 : 14,486,726,723.70 = 3,447,185,713.40 : x - Step 2: Convert to fraction form
9,657,817,815.80/14,486,726,723.70 = 3,447,185,713.40/x - Step 3: Cross multiply
9,657,817,815.80x = 14,486,726,723.70 × 3,447,185,713.40 - Step 4: Simplify right side
9,657,817,815.80x = 49,938,437,395,868,631,040 - Step 5: Solve for x
x = 49,938,437,395,868,631,040/9,657,817,815.80 - Step 6: Final answer
x = 5,170,778,570.10
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Double scale
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Similar ratio
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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.