Finding the Fourth Proportional to 2,560,712,587.44, 3,533,786,956.44 and 1,387,290,859.44
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Solution
The fourth proportional to 2,560,712,587.44, 3,533,786,956.44 and 1,387,290,859.44 is: 1,914,463,328.65
Step by Step Solution
- Step 1: Write the proportion equation
2,560,712,587.44 : 3,533,786,956.44 = 1,387,290,859.44 : x - Step 2: Convert to fraction form
2,560,712,587.44/3,533,786,956.44 = 1,387,290,859.44/x - Step 3: Cross multiply
2,560,712,587.44x = 3,533,786,956.44 × 1,387,290,859.44 - Step 4: Simplify right side
2,560,712,587.44x = 4,902,390,343,877,510,144 - Step 5: Solve for x
x = 4,902,390,343,877,510,144/2,560,712,587.44 - Step 6: Final answer
x = 1,914,463,328.65
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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.