Finding the Fourth Proportional to 409,808,365.25, 565,535,544.17 and 221,636,657.84
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Solution
The fourth proportional to 409,808,365.25, 565,535,544.17 and 221,636,657.84 is: 305,858,587.88
Step by Step Solution
- Step 1: Write the proportion equation
409,808,365.25 : 565,535,544.17 = 221,636,657.84 : x - Step 2: Convert to fraction form
409,808,365.25/565,535,544.17 = 221,636,657.84/x - Step 3: Cross multiply
409,808,365.25x = 565,535,544.17 × 221,636,657.84 - Step 4: Simplify right side
409,808,365.25x = 125,343,407,895,628,640 - Step 5: Solve for x
x = 125,343,407,895,628,640/409,808,365.25 - Step 6: Final answer
x = 305,858,587.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.