Finding the Fourth Proportional to 377,552,565.44, 521,048,726.67 and 228,879,952.79
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Solution
The fourth proportional to 377,552,565.44, 521,048,726.67 and 228,879,952.79 is: 315,870,209.55
Step by Step Solution
- Step 1: Write the proportion equation
377,552,565.44 : 521,048,726.67 = 228,879,952.79 : x - Step 2: Convert to fraction form
377,552,565.44/521,048,726.67 = 228,879,952.79/x - Step 3: Cross multiply
377,552,565.44x = 521,048,726.67 × 228,879,952.79 - Step 4: Simplify right side
377,552,565.44x = 119,257,607,958,913,968 - Step 5: Solve for x
x = 119,257,607,958,913,968/377,552,565.44 - Step 6: Final answer
x = 315,870,209.55
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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.