Finding the Fourth Proportional to 468,361,918.64, 702,075,209.88 and 313,046,544.08
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Solution
The fourth proportional to 468,361,918.64, 702,075,209.88 and 313,046,544.08 is: 469,257,233.33
Step by Step Solution
- Step 1: Write the proportion equation
468,361,918.64 : 702,075,209.88 = 313,046,544.08 : x - Step 2: Convert to fraction form
468,361,918.64/702,075,209.88 = 313,046,544.08/x - Step 3: Cross multiply
468,361,918.64x = 702,075,209.88 × 313,046,544.08 - Step 4: Simplify right side
468,361,918.64x = 219,782,218,137,174,656 - Step 5: Solve for x
x = 219,782,218,137,174,656/468,361,918.64 - Step 6: Final answer
x = 469,257,233.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.