Finding the Fourth Proportional to 405,468,830.40, 608,261,506.76 and 125,371,572
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Solution
The fourth proportional to 405,468,830.40, 608,261,506.76 and 125,371,572 is: 188,075,372.44
Step by Step Solution
- Step 1: Write the proportion equation
405,468,830.40 : 608,261,506.76 = 125,371,572 : x - Step 2: Convert to fraction form
405,468,830.40/608,261,506.76 = 125,371,572/x - Step 3: Cross multiply
405,468,830.40x = 608,261,506.76 × 125,371,572 - Step 4: Simplify right side
405,468,830.40x = 76,258,701,289,589,824 - Step 5: Solve for x
x = 76,258,701,289,589,824/405,468,830.40 - Step 6: Final answer
x = 188,075,372.44
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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.