Finding the Fourth Proportional to 473,472,021.80, 710,208,032.70 and 133,069,845.80
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Solution
The fourth proportional to 473,472,021.80, 710,208,032.70 and 133,069,845.80 is: 199,604,768.70
Step by Step Solution
- Step 1: Write the proportion equation
473,472,021.80 : 710,208,032.70 = 133,069,845.80 : x - Step 2: Convert to fraction form
473,472,021.80/710,208,032.70 = 133,069,845.80/x - Step 3: Cross multiply
473,472,021.80x = 710,208,032.70 × 133,069,845.80 - Step 4: Simplify right side
473,472,021.80x = 94,507,273,397,310,368 - Step 5: Solve for x
x = 94,507,273,397,310,368/473,472,021.80 - Step 6: Final answer
x = 199,604,768.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.