Finding the Fourth Proportional to 4,320,432,801.20, 6,480,649,201.80 and 4,151,127,508.40
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Solution
The fourth proportional to 4,320,432,801.20, 6,480,649,201.80 and 4,151,127,508.40 is: 6,226,691,262.60
Step by Step Solution
- Step 1: Write the proportion equation
4,320,432,801.20 : 6,480,649,201.80 = 4,151,127,508.40 : x - Step 2: Convert to fraction form
4,320,432,801.20/6,480,649,201.80 = 4,151,127,508.40/x - Step 3: Cross multiply
4,320,432,801.20x = 6,480,649,201.80 × 4,151,127,508.40 - Step 4: Simplify right side
4,320,432,801.20x = 26,902,001,173,882,482,688 - Step 5: Solve for x
x = 26,902,001,173,882,482,688/4,320,432,801.20 - Step 6: Final answer
x = 6,226,691,262.60
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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.