Finding the Fourth Proportional to 2,835,493,829.64, 3,913,197,827.94 and 1,565,579,638.68
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Solution
The fourth proportional to 2,835,493,829.64, 3,913,197,827.94 and 1,565,579,638.68 is: 2,160,619,352.27
Step by Step Solution
- Step 1: Write the proportion equation
2,835,493,829.64 : 3,913,197,827.94 = 1,565,579,638.68 : x - Step 2: Convert to fraction form
2,835,493,829.64/3,913,197,827.94 = 1,565,579,638.68/x - Step 3: Cross multiply
2,835,493,829.64x = 3,913,197,827.94 × 1,565,579,638.68 - Step 4: Simplify right side
2,835,493,829.64x = 6,126,422,841,549,666,304 - Step 5: Solve for x
x = 6,126,422,841,549,666,304/2,835,493,829.64 - Step 6: Final answer
x = 2,160,619,352.27
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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.