Finding the Fourth Proportional to 532,053,887.20, 798,080,830.80 and 314,375,653.60
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Solution
The fourth proportional to 532,053,887.20, 798,080,830.80 and 314,375,653.60 is: 471,563,480.40
Step by Step Solution
- Step 1: Write the proportion equation
532,053,887.20 : 798,080,830.80 = 314,375,653.60 : x - Step 2: Convert to fraction form
532,053,887.20/798,080,830.80 = 314,375,653.60/x - Step 3: Cross multiply
532,053,887.20x = 798,080,830.80 × 314,375,653.60 - Step 4: Simplify right side
532,053,887.20x = 250,897,182,808,381,024 - Step 5: Solve for x
x = 250,897,182,808,381,024/532,053,887.20 - Step 6: Final answer
x = 471,563,480.40
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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.