Finding the Fourth Proportional to 358,868,282.60, 495,238,670.79 and 193,855,852.10
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Solution
The fourth proportional to 358,868,282.60, 495,238,670.79 and 193,855,852.10 is: 267,521,314.01
Step by Step Solution
- Step 1: Write the proportion equation
358,868,282.60 : 495,238,670.79 = 193,855,852.10 : x - Step 2: Convert to fraction form
358,868,282.60/495,238,670.79 = 193,855,852.10/x - Step 3: Cross multiply
358,868,282.60x = 495,238,670.79 × 193,855,852.10 - Step 4: Simplify right side
358,868,282.60x = 96,004,914,518,866,832 - Step 5: Solve for x
x = 96,004,914,518,866,832/358,868,282.60 - Step 6: Final answer
x = 267,521,314.01
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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.