Finding the Fourth Proportional to 10,719,201,479.12, 16,075,390,963.94 and 3,538,718,739.91
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Solution
The fourth proportional to 10,719,201,479.12, 16,075,390,963.94 and 3,538,718,739.91 is: 5,306,951,955.92
Step by Step Solution
- Step 1: Write the proportion equation
10,719,201,479.12 : 16,075,390,963.94 = 3,538,718,739.91 : x - Step 2: Convert to fraction form
10,719,201,479.12/16,075,390,963.94 = 3,538,718,739.91/x - Step 3: Cross multiply
10,719,201,479.12x = 16,075,390,963.94 × 3,538,718,739.91 - Step 4: Simplify right side
10,719,201,479.12x = 56,886,287,255,474,356,224 - Step 5: Solve for x
x = 56,886,287,255,474,356,224/10,719,201,479.12 - Step 6: Final answer
x = 5,306,951,955.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.