Finding the Fourth Proportional to 5,432,524,920.30, 8,148,787,380.45 and 3,854,357,726.70
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Solution
The fourth proportional to 5,432,524,920.30, 8,148,787,380.45 and 3,854,357,726.70 is: 5,781,536,590.05
Step by Step Solution
- Step 1: Write the proportion equation
5,432,524,920.30 : 8,148,787,380.45 = 3,854,357,726.70 : x - Step 2: Convert to fraction form
5,432,524,920.30/8,148,787,380.45 = 3,854,357,726.70/x - Step 3: Cross multiply
5,432,524,920.30x = 8,148,787,380.45 × 3,854,357,726.70 - Step 4: Simplify right side
5,432,524,920.30x = 31,408,341,603,072,909,312 - Step 5: Solve for x
x = 31,408,341,603,072,909,312/5,432,524,920.30 - Step 6: Final answer
x = 5,781,536,590.05
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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.