Finding the Fourth Proportional to 487,730,357.12, 673,068,554.19 and 264,712,045.74
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Solution
The fourth proportional to 487,730,357.12, 673,068,554.19 and 264,712,045.74 is: 365,302,982.07
Step by Step Solution
- Step 1: Write the proportion equation
487,730,357.12 : 673,068,554.19 = 264,712,045.74 : x - Step 2: Convert to fraction form
487,730,357.12/673,068,554.19 = 264,712,045.74/x - Step 3: Cross multiply
487,730,357.12x = 673,068,554.19 × 264,712,045.74 - Step 4: Simplify right side
487,730,357.12x = 178,169,353,902,898,976 - Step 5: Solve for x
x = 178,169,353,902,898,976/487,730,357.12 - Step 6: Final answer
x = 365,302,982.07
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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.