Finding the Fourth Proportional to 2,160,216,408.60, 3,240,324,612.90 and 2,125,779,031.80
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Solution
The fourth proportional to 2,160,216,408.60, 3,240,324,612.90 and 2,125,779,031.80 is: 3,188,668,547.70
Step by Step Solution
- Step 1: Write the proportion equation
2,160,216,408.60 : 3,240,324,612.90 = 2,125,779,031.80 : x - Step 2: Convert to fraction form
2,160,216,408.60/3,240,324,612.90 = 2,125,779,031.80/x - Step 3: Cross multiply
2,160,216,408.60x = 3,240,324,612.90 × 2,125,779,031.80 - Step 4: Simplify right side
2,160,216,408.60x = 6,888,214,118,328,271,872 - Step 5: Solve for x
x = 6,888,214,118,328,271,872/2,160,216,408.60 - Step 6: Final answer
x = 3,188,668,547.70
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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.