Finding the Fourth Proportional to 577,958,813.80, 797,583,684.50 and 313,640,809.40
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Solution
The fourth proportional to 577,958,813.80, 797,583,684.50 and 313,640,809.40 is: 432,824,599.95
Step by Step Solution
- Step 1: Write the proportion equation
577,958,813.80 : 797,583,684.50 = 313,640,809.40 : x - Step 2: Convert to fraction form
577,958,813.80/797,583,684.50 = 313,640,809.40/x - Step 3: Cross multiply
577,958,813.80x = 797,583,684.50 × 313,640,809.40 - Step 4: Simplify right side
577,958,813.80x = 250,154,792,370,814,208 - Step 5: Solve for x
x = 250,154,792,370,814,208/577,958,813.80 - Step 6: Final answer
x = 432,824,599.95
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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.