Finding the Fourth Proportional to 358,316,123.97, 494,444,726.69 and 199,534,248.71
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Solution
The fourth proportional to 358,316,123.97, 494,444,726.69 and 199,534,248.71 is: 275,339,708.33
Step by Step Solution
- Step 1: Write the proportion equation
358,316,123.97 : 494,444,726.69 = 199,534,248.71 : x - Step 2: Convert to fraction form
358,316,123.97/494,444,726.69 = 199,534,248.71/x - Step 3: Cross multiply
358,316,123.97x = 494,444,726.69 × 199,534,248.71 - Step 4: Simplify right side
358,316,123.97x = 98,658,657,065,240,544 - Step 5: Solve for x
x = 98,658,657,065,240,544/358,316,123.97 - Step 6: Final answer
x = 275,339,708.33
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1.5x scale
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.