Finding the Fourth Proportional to 418,903,523,192.58, 628,355,293,102.36 and 100,549,721,985.66
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Solution
The fourth proportional to 418,903,523,192.58, 628,355,293,102.36 and 100,549,721,985.66 is: 150,824,584,973.98
Step by Step Solution
- Step 1: Write the proportion equation
418,903,523,192.58 : 628,355,293,102.36 = 100,549,721,985.66 : x - Step 2: Convert to fraction form
418,903,523,192.58/628,355,293,102.36 = 100,549,721,985.66/x - Step 3: Cross multiply
418,903,523,192.58x = 628,355,293,102.36 × 100,549,721,985.66 - Step 4: Simplify right side
418,903,523,192.58x = 63,180,950,029,660,200,108,032 - Step 5: Solve for x
x = 63,180,950,029,660,200,108,032/418,903,523,192.58 - Step 6: Final answer
x = 150,824,584,973.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.