Finding the Fourth Proportional to 1,588,037,818.34, 2,191,480,094.71 and 873,558,025.99
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Solution
The fourth proportional to 1,588,037,818.34, 2,191,480,094.71 and 873,558,025.99 is: 1,205,503,422.79
Step by Step Solution
- Step 1: Write the proportion equation
1,588,037,818.34 : 2,191,480,094.71 = 873,558,025.99 : x - Step 2: Convert to fraction form
1,588,037,818.34/2,191,480,094.71 = 873,558,025.99/x - Step 3: Cross multiply
1,588,037,818.34x = 2,191,480,094.71 × 873,558,025.99 - Step 4: Simplify right side
1,588,037,818.34x = 1,914,385,025,526,815,488 - Step 5: Solve for x
x = 1,914,385,025,526,815,488/1,588,037,818.34 - Step 6: Final answer
x = 1,205,503,422.79
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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.