Finding the Fourth Proportional to 10,221,955,895.08, 14,106,308,566.98 and 5,528,268,983.08
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Solution
The fourth proportional to 10,221,955,895.08, 14,106,308,566.98 and 5,528,268,983.08 is: 7,629,016,297.57
Step by Step Solution
- Step 1: Write the proportion equation
10,221,955,895.08 : 14,106,308,566.98 = 5,528,268,983.08 : x - Step 2: Convert to fraction form
10,221,955,895.08/14,106,308,566.98 = 5,528,268,983.08/x - Step 3: Cross multiply
10,221,955,895.08x = 14,106,308,566.98 × 5,528,268,983.08 - Step 4: Simplify right side
10,221,955,895.08x = 77,983,468,116,591,214,592 - Step 5: Solve for x
x = 77,983,468,116,591,214,592/10,221,955,895.08 - Step 6: Final answer
x = 7,629,016,297.57
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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.