Finding the Fourth Proportional to 526,999,856.95, 727,267,756.11 and 288,843,135.92
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Solution
The fourth proportional to 526,999,856.95, 727,267,756.11 and 288,843,135.92 is: 398,607,886.81
Step by Step Solution
- Step 1: Write the proportion equation
526,999,856.95 : 727,267,756.11 = 288,843,135.92 : x - Step 2: Convert to fraction form
526,999,856.95/727,267,756.11 = 288,843,135.92/x - Step 3: Cross multiply
526,999,856.95x = 727,267,756.11 × 288,843,135.92 - Step 4: Simplify right side
526,999,856.95x = 210,066,299,324,677,824 - Step 5: Solve for x
x = 210,066,299,324,677,824/526,999,856.95 - Step 6: Final answer
x = 398,607,886.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.