Finding the Fourth Proportional to 2,877,881,467.70, 4,316,822,201.55 and 1,653,441,403.70
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Solution
The fourth proportional to 2,877,881,467.70, 4,316,822,201.55 and 1,653,441,403.70 is: 2,480,162,105.55
Step by Step Solution
- Step 1: Write the proportion equation
2,877,881,467.70 : 4,316,822,201.55 = 1,653,441,403.70 : x - Step 2: Convert to fraction form
2,877,881,467.70/4,316,822,201.55 = 1,653,441,403.70/x - Step 3: Cross multiply
2,877,881,467.70x = 4,316,822,201.55 × 1,653,441,403.70 - Step 4: Simplify right side
2,877,881,467.70x = 7,137,612,560,454,157,312 - Step 5: Solve for x
x = 7,137,612,560,454,157,312/2,877,881,467.70 - Step 6: Final answer
x = 2,480,162,105.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.