Finding the Fourth Proportional to 7,658,283,822.06, 10,568,432,115.90 and 4,138,018,638.06
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Solution
The fourth proportional to 7,658,283,822.06, 10,568,432,115.90 and 4,138,018,638.06 is: 5,710,465,959.06
Step by Step Solution
- Step 1: Write the proportion equation
7,658,283,822.06 : 10,568,432,115.90 = 4,138,018,638.06 : x - Step 2: Convert to fraction form
7,658,283,822.06/10,568,432,115.90 = 4,138,018,638.06/x - Step 3: Cross multiply
7,658,283,822.06x = 10,568,432,115.90 × 4,138,018,638.06 - Step 4: Simplify right side
7,658,283,822.06x = 43,732,369,070,666,080,256 - Step 5: Solve for x
x = 43,732,369,070,666,080,256/7,658,283,822.06 - Step 6: Final answer
x = 5,710,465,959.06
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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.