Finding the Fourth Proportional to 1,149,207,030.10, 1,724,052,646.05 and 372,792,068.20
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Solution
The fourth proportional to 1,149,207,030.10, 1,724,052,646.05 and 372,792,068.20 is: 559,266,637.58
Step by Step Solution
- Step 1: Write the proportion equation
1,149,207,030.10 : 1,724,052,646.05 = 372,792,068.20 : x - Step 2: Convert to fraction form
1,149,207,030.10/1,724,052,646.05 = 372,792,068.20/x - Step 3: Cross multiply
1,149,207,030.10x = 1,724,052,646.05 × 372,792,068.20 - Step 4: Simplify right side
1,149,207,030.10x = 642,713,151,606,662,016 - Step 5: Solve for x
x = 642,713,151,606,662,016/1,149,207,030.10 - Step 6: Final answer
x = 559,266,637.58
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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.