Finding the Fourth Proportional to 419,382,330.08, 578,722,716.95 and 240,724,944.14
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Solution
The fourth proportional to 419,382,330.08, 578,722,716.95 and 240,724,944.14 is: 332,186,131.17
Step by Step Solution
- Step 1: Write the proportion equation
419,382,330.08 : 578,722,716.95 = 240,724,944.14 : x - Step 2: Convert to fraction form
419,382,330.08/578,722,716.95 = 240,724,944.14/x - Step 3: Cross multiply
419,382,330.08x = 578,722,716.95 × 240,724,944.14 - Step 4: Simplify right side
419,382,330.08x = 139,312,993,712,386,400 - Step 5: Solve for x
x = 139,312,993,712,386,400/419,382,330.08 - Step 6: Final answer
x = 332,186,131.17
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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.