Finding the Fourth Proportional to 1,149,207,032.60, 1,724,052,649.80 and 372,792,070.70
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Solution
The fourth proportional to 1,149,207,032.60, 1,724,052,649.80 and 372,792,070.70 is: 559,266,641.33
Step by Step Solution
- Step 1: Write the proportion equation
1,149,207,032.60 : 1,724,052,649.80 = 372,792,070.70 : x - Step 2: Convert to fraction form
1,149,207,032.60/1,724,052,649.80 = 372,792,070.70/x - Step 3: Cross multiply
1,149,207,032.60x = 1,724,052,649.80 × 372,792,070.70 - Step 4: Simplify right side
1,149,207,032.60x = 642,713,157,314,763,904 - Step 5: Solve for x
x = 642,713,157,314,763,904/1,149,207,032.60 - Step 6: Final answer
x = 559,266,641.33
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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.