Finding the Fourth Proportional to 4,731,190,646.61, 6,531,053,441.46 and 2,947,925,159.55
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Solution
The fourth proportional to 4,731,190,646.61, 6,531,053,441.46 and 2,947,925,159.55 is: 4,069,389,334.85
Step by Step Solution
- Step 1: Write the proportion equation
4,731,190,646.61 : 6,531,053,441.46 = 2,947,925,159.55 : x - Step 2: Convert to fraction form
4,731,190,646.61/6,531,053,441.46 = 2,947,925,159.55/x - Step 3: Cross multiply
4,731,190,646.61x = 6,531,053,441.46 × 2,947,925,159.55 - Step 4: Simplify right side
4,731,190,646.61x = 19,253,056,758,445,547,520 - Step 5: Solve for x
x = 19,253,056,758,445,547,520/4,731,190,646.61 - Step 6: Final answer
x = 4,069,389,334.85
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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.