Finding the Fourth Proportional to 372,605,447.34, 514,199,028.38 and 205,347,730.91
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Solution
The fourth proportional to 372,605,447.34, 514,199,028.38 and 205,347,730.91 is: 283,381,803.63
Step by Step Solution
- Step 1: Write the proportion equation
372,605,447.34 : 514,199,028.38 = 205,347,730.91 : x - Step 2: Convert to fraction form
372,605,447.34/514,199,028.38 = 205,347,730.91/x - Step 3: Cross multiply
372,605,447.34x = 514,199,028.38 × 205,347,730.91 - Step 4: Simplify right side
372,605,447.34x = 105,589,603,710,361,968 - Step 5: Solve for x
x = 105,589,603,710,361,968/372,605,447.34 - Step 6: Final answer
x = 283,381,803.63
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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.