Finding the Fourth Proportional to 532,153,152.80, 797,781,831.60 and 276,851,520.80
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Solution
The fourth proportional to 532,153,152.80, 797,781,831.60 and 276,851,520.80 is: 415,044,263.45
Step by Step Solution
- Step 1: Write the proportion equation
532,153,152.80 : 797,781,831.60 = 276,851,520.80 : x - Step 2: Convert to fraction form
532,153,152.80/797,781,831.60 = 276,851,520.80/x - Step 3: Cross multiply
532,153,152.80x = 797,781,831.60 × 276,851,520.80 - Step 4: Simplify right side
532,153,152.80x = 220,867,113,345,069,504 - Step 5: Solve for x
x = 220,867,113,345,069,504/532,153,152.80 - Step 6: Final answer
x = 415,044,263.45
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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.