Finding the Fourth Proportional to 430,322,140.08, 593,798,765.92 and 242,147,154.75
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Solution
The fourth proportional to 430,322,140.08, 593,798,765.92 and 242,147,154.75 is: 334,137,308.47
Step by Step Solution
- Step 1: Write the proportion equation
430,322,140.08 : 593,798,765.92 = 242,147,154.75 : x - Step 2: Convert to fraction form
430,322,140.08/593,798,765.92 = 242,147,154.75/x - Step 3: Cross multiply
430,322,140.08x = 593,798,765.92 × 242,147,154.75 - Step 4: Simplify right side
430,322,140.08x = 143,786,681,660,462,960 - Step 5: Solve for x
x = 143,786,681,660,462,960/430,322,140.08 - Step 6: Final answer
x = 334,137,308.47
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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.