Finding the Fourth Proportional to 430,373,812.13, 645,806,720.70 and 233,653,220.09
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Solution
The fourth proportional to 430,373,812.13, 645,806,720.70 and 233,653,220.09 is: 350,613,386.76
Step by Step Solution
- Step 1: Write the proportion equation
430,373,812.13 : 645,806,720.70 = 233,653,220.09 : x - Step 2: Convert to fraction form
430,373,812.13/645,806,720.70 = 233,653,220.09/x - Step 3: Cross multiply
430,373,812.13x = 645,806,720.70 × 233,653,220.09 - Step 4: Simplify right side
430,373,812.13x = 150,894,819,844,089,248 - Step 5: Solve for x
x = 150,894,819,844,089,248/430,373,812.13 - Step 6: Final answer
x = 350,613,386.76
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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.