Finding the Fourth Proportional to 5,537,699,479.97, 7,642,025,655.83 and 3,031,573,191.75
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Solution
The fourth proportional to 5,537,699,479.97, 7,642,025,655.83 and 3,031,573,191.75 is: 4,183,571,209.07
Step by Step Solution
- Step 1: Write the proportion equation
5,537,699,479.97 : 7,642,025,655.83 = 3,031,573,191.75 : x - Step 2: Convert to fraction form
5,537,699,479.97/7,642,025,655.83 = 3,031,573,191.75/x - Step 3: Cross multiply
5,537,699,479.97x = 7,642,025,655.83 × 3,031,573,191.75 - Step 4: Simplify right side
5,537,699,479.97x = 23,167,360,108,886,470,656 - Step 5: Solve for x
x = 23,167,360,108,886,470,656/5,537,699,479.97 - Step 6: Final answer
x = 4,183,571,209.07
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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.