Finding the Fourth Proportional to 16,169,031,272.80, 24,251,279,427.60 and 5,128,663,362.40
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Solution
The fourth proportional to 16,169,031,272.80, 24,251,279,427.60 and 5,128,663,362.40 is: 7,692,275,819.94
Step by Step Solution
- Step 1: Write the proportion equation
16,169,031,272.80 : 24,251,279,427.60 = 5,128,663,362.40 : x - Step 2: Convert to fraction form
16,169,031,272.80/24,251,279,427.60 = 5,128,663,362.40/x - Step 3: Cross multiply
16,169,031,272.80x = 24,251,279,427.60 × 5,128,663,362.40 - Step 4: Simplify right side
16,169,031,272.80x = 124,376,648,291,656,941,568 - Step 5: Solve for x
x = 124,376,648,291,656,941,568/16,169,031,272.80 - Step 6: Final answer
x = 7,692,275,819.94
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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.