Finding the Fourth Proportional to 353,677,643.83, 488,063,702.50 and 202,995,101.63
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Solution
The fourth proportional to 353,677,643.83, 488,063,702.50 and 202,995,101.63 is: 280,126,670.77
Step by Step Solution
- Step 1: Write the proportion equation
353,677,643.83 : 488,063,702.50 = 202,995,101.63 : x - Step 2: Convert to fraction form
353,677,643.83/488,063,702.50 = 202,995,101.63/x - Step 3: Cross multiply
353,677,643.83x = 488,063,702.50 × 202,995,101.63 - Step 4: Simplify right side
353,677,643.83x = 99,074,540,890,901,584 - Step 5: Solve for x
x = 99,074,540,890,901,584/353,677,643.83 - Step 6: Final answer
x = 280,126,670.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.