Finding the Fourth Proportional to 2,570,977,669.68, 3,547,988,058.48 and 1,442,197,650.96
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Solution
The fourth proportional to 2,570,977,669.68, 3,547,988,058.48 and 1,442,197,650.96 is: 1,990,254,564.99
Step by Step Solution
- Step 1: Write the proportion equation
2,570,977,669.68 : 3,547,988,058.48 = 1,442,197,650.96 : x - Step 2: Convert to fraction form
2,570,977,669.68/3,547,988,058.48 = 1,442,197,650.96/x - Step 3: Cross multiply
2,570,977,669.68x = 3,547,988,058.48 × 1,442,197,650.96 - Step 4: Simplify right side
2,570,977,669.68x = 5,116,900,043,573,987,328 - Step 5: Solve for x
x = 5,116,900,043,573,987,328/2,570,977,669.68 - Step 6: Final answer
x = 1,990,254,564.99
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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.