Finding the Fourth Proportional to 403,603,159.04, 556,972,338.15 and 217,964,156.84
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Solution
The fourth proportional to 403,603,159.04, 556,972,338.15 and 217,964,156.84 is: 300,790,524.92
Step by Step Solution
- Step 1: Write the proportion equation
403,603,159.04 : 556,972,338.15 = 217,964,156.84 : x - Step 2: Convert to fraction form
403,603,159.04/556,972,338.15 = 217,964,156.84/x - Step 3: Cross multiply
403,603,159.04x = 556,972,338.15 × 217,964,156.84 - Step 4: Simplify right side
403,603,159.04x = 121,400,006,065,283,248 - Step 5: Solve for x
x = 121,400,006,065,283,248/403,603,159.04 - Step 6: Final answer
x = 300,790,524.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.