Finding the Fourth Proportional to 3,120,828,090.30, 4,681,242,135.45 and 2,835,125,408.70
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Solution
The fourth proportional to 3,120,828,090.30, 4,681,242,135.45 and 2,835,125,408.70 is: 4,252,688,113.05
Step by Step Solution
- Step 1: Write the proportion equation
3,120,828,090.30 : 4,681,242,135.45 = 2,835,125,408.70 : x - Step 2: Convert to fraction form
3,120,828,090.30/4,681,242,135.45 = 2,835,125,408.70/x - Step 3: Cross multiply
3,120,828,090.30x = 4,681,242,135.45 × 2,835,125,408.70 - Step 4: Simplify right side
3,120,828,090.30x = 13,271,908,522,491,340,800 - Step 5: Solve for x
x = 13,271,908,522,491,340,800/3,120,828,090.30 - Step 6: Final answer
x = 4,252,688,113.05
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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.