Finding the Fourth Proportional to 1,125,630,414.18, 1,553,370,118.82 and 623,871,591.59
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Solution
The fourth proportional to 1,125,630,414.18, 1,553,370,118.82 and 623,871,591.59 is: 860,942,878.00
Step by Step Solution
- Step 1: Write the proportion equation
1,125,630,414.18 : 1,553,370,118.82 = 623,871,591.59 : x - Step 2: Convert to fraction form
1,125,630,414.18/1,553,370,118.82 = 623,871,591.59/x - Step 3: Cross multiply
1,125,630,414.18x = 1,553,370,118.82 × 623,871,591.59 - Step 4: Simplify right side
1,125,630,414.18x = 969,103,488,345,694,720 - Step 5: Solve for x
x = 969,103,488,345,694,720/1,125,630,414.18 - Step 6: Final answer
x = 860,942,878.00
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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.