Finding the Fourth Proportional to 3,547,341,128.96, 4,893,024,138.75 and 2,275,167,069.36
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Solution
The fourth proportional to 3,547,341,128.96, 4,893,024,138.75 and 2,275,167,069.36 is: 3,138,251,153.58
Step by Step Solution
- Step 1: Write the proportion equation
3,547,341,128.96 : 4,893,024,138.75 = 2,275,167,069.36 : x - Step 2: Convert to fraction form
3,547,341,128.96/4,893,024,138.75 = 2,275,167,069.36/x - Step 3: Cross multiply
3,547,341,128.96x = 4,893,024,138.75 × 2,275,167,069.36 - Step 4: Simplify right side
3,547,341,128.96x = 11,132,447,390,076,692,480 - Step 5: Solve for x
x = 11,132,447,390,076,692,480/3,547,341,128.96 - Step 6: Final answer
x = 3,138,251,153.58
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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.