Finding the Fourth Proportional to 431,509,973.10, 595,447,756.11 and 243,327,721.02
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Solution
The fourth proportional to 431,509,973.10, 595,447,756.11 and 243,327,721.02 is: 335,771,950.85
Step by Step Solution
- Step 1: Write the proportion equation
431,509,973.10 : 595,447,756.11 = 243,327,721.02 : x - Step 2: Convert to fraction form
431,509,973.10/595,447,756.11 = 243,327,721.02/x - Step 3: Cross multiply
431,509,973.10x = 595,447,756.11 × 243,327,721.02 - Step 4: Simplify right side
431,509,973.10x = 144,888,945,480,719,104 - Step 5: Solve for x
x = 144,888,945,480,719,104/431,509,973.10 - Step 6: Final answer
x = 335,771,950.85
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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.