Finding the Fourth Proportional to 995,349,332.80, 1,493,023,999.20 and 898,603,451.20
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Solution
The fourth proportional to 995,349,332.80, 1,493,023,999.20 and 898,603,451.20 is: 1,347,905,176.80
Step by Step Solution
- Step 1: Write the proportion equation
995,349,332.80 : 1,493,023,999.20 = 898,603,451.20 : x - Step 2: Convert to fraction form
995,349,332.80/1,493,023,999.20 = 898,603,451.20/x - Step 3: Cross multiply
995,349,332.80x = 1,493,023,999.20 × 898,603,451.20 - Step 4: Simplify right side
995,349,332.80x = 1,341,636,518,405,546,240 - Step 5: Solve for x
x = 1,341,636,518,405,546,240/995,349,332.80 - Step 6: Final answer
x = 1,347,905,176.80
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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.