Finding the Fourth Proportional to 401,143,984,014.57, 553,583,087,456.98 and 218,242,125,456.84
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Solution
The fourth proportional to 401,143,984,014.57, 553,583,087,456.98 and 218,242,125,456.84 is: 301,176,521,244.26
Step by Step Solution
- Step 1: Write the proportion equation
401,143,984,014.57 : 553,583,087,456.98 = 218,242,125,456.84 : x - Step 2: Convert to fraction form
401,143,984,014.57/553,583,087,456.98 = 218,242,125,456.84/x - Step 3: Cross multiply
401,143,984,014.57x = 553,583,087,456.98 × 218,242,125,456.84 - Step 4: Simplify right side
401,143,984,014.57x = 120,815,149,623,571,053,019,136 - Step 5: Solve for x
x = 120,815,149,623,571,053,019,136/401,143,984,014.57 - Step 6: Final answer
x = 301,176,521,244.26
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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.