Finding the Fourth Proportional to 578,163,408.14, 797,866,523.08 and 313,845,584.24
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Solution
The fourth proportional to 578,163,408.14, 797,866,523.08 and 313,845,584.24 is: 433,107,459.86
Step by Step Solution
- Step 1: Write the proportion equation
578,163,408.14 : 797,866,523.08 = 313,845,584.24 : x - Step 2: Convert to fraction form
578,163,408.14/797,866,523.08 = 313,845,584.24/x - Step 3: Cross multiply
578,163,408.14x = 797,866,523.08 × 313,845,584.24 - Step 4: Simplify right side
578,163,408.14x = 250,406,885,081,580,064 - Step 5: Solve for x
x = 250,406,885,081,580,064/578,163,408.14 - Step 6: Final answer
x = 433,107,459.86
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1.5x scale
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.