Finding the Fourth Proportional to 1,334,080,490.99, 1,841,031,252.07 and 739,403,367.91
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Solution
The fourth proportional to 1,334,080,490.99, 1,841,031,252.07 and 739,403,367.91 is: 1,020,376,744.43
Step by Step Solution
- Step 1: Write the proportion equation
1,334,080,490.99 : 1,841,031,252.07 = 739,403,367.91 : x - Step 2: Convert to fraction form
1,334,080,490.99/1,841,031,252.07 = 739,403,367.91/x - Step 3: Cross multiply
1,334,080,490.99x = 1,841,031,252.07 × 739,403,367.91 - Step 4: Simplify right side
1,334,080,490.99x = 1,361,264,708,201,671,168 - Step 5: Solve for x
x = 1,361,264,708,201,671,168/1,334,080,490.99 - Step 6: Final answer
x = 1,020,376,744.43
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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.