Finding the Fourth Proportional to 270,452,403.12, 373,220,653.92 and 151,374,959.95
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Solution
The fourth proportional to 270,452,403.12, 373,220,653.92 and 151,374,959.95 is: 208,895,394.86
Step by Step Solution
- Step 1: Write the proportion equation
270,452,403.12 : 373,220,653.92 = 151,374,959.95 : x - Step 2: Convert to fraction form
270,452,403.12/373,220,653.92 = 151,374,959.95/x - Step 3: Cross multiply
270,452,403.12x = 373,220,653.92 × 151,374,959.95 - Step 4: Simplify right side
270,452,403.12x = 56,496,261,539,652,808 - Step 5: Solve for x
x = 56,496,261,539,652,808/270,452,403.12 - Step 6: Final answer
x = 208,895,394.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.