Finding the Fourth Proportional to 1,334,080,491.12, 1,841,031,252.24 and 739,403,368.04
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Solution
The fourth proportional to 1,334,080,491.12, 1,841,031,252.24 and 739,403,368.04 is: 1,020,376,744.61
Step by Step Solution
- Step 1: Write the proportion equation
1,334,080,491.12 : 1,841,031,252.24 = 739,403,368.04 : x - Step 2: Convert to fraction form
1,334,080,491.12/1,841,031,252.24 = 739,403,368.04/x - Step 3: Cross multiply
1,334,080,491.12x = 1,841,031,252.24 × 739,403,368.04 - Step 4: Simplify right side
1,334,080,491.12x = 1,361,264,708,573,154,816 - Step 5: Solve for x
x = 1,361,264,708,573,154,816/1,334,080,491.12 - Step 6: Final answer
x = 1,020,376,744.61
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1.5x scale
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.