Finding the Fourth Proportional to 378,330,075.34, 567,658,946.21 and 203,248,830.83
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Solution
The fourth proportional to 378,330,075.34, 567,658,946.21 and 203,248,830.83 is: 304,961,261.73
Step by Step Solution
- Step 1: Write the proportion equation
378,330,075.34 : 567,658,946.21 = 203,248,830.83 : x - Step 2: Convert to fraction form
378,330,075.34/567,658,946.21 = 203,248,830.83/x - Step 3: Cross multiply
378,330,075.34x = 567,658,946.21 × 203,248,830.83 - Step 4: Simplify right side
378,330,075.34x = 115,376,017,123,517,824 - Step 5: Solve for x
x = 115,376,017,123,517,824/378,330,075.34 - Step 6: Final answer
x = 304,961,261.73
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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.