Finding the Fourth Proportional to 436,838,358.80, 655,257,538.20 and 367,963,605.20
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Solution
The fourth proportional to 436,838,358.80, 655,257,538.20 and 367,963,605.20 is: 551,945,407.80
Step by Step Solution
- Step 1: Write the proportion equation
436,838,358.80 : 655,257,538.20 = 367,963,605.20 : x - Step 2: Convert to fraction form
436,838,358.80/655,257,538.20 = 367,963,605.20/x - Step 3: Cross multiply
436,838,358.80x = 655,257,538.20 × 367,963,605.20 - Step 4: Simplify right side
436,838,358.80x = 241,110,926,090,548,736 - Step 5: Solve for x
x = 241,110,926,090,548,736/436,838,358.80 - Step 6: Final answer
x = 551,945,407.80
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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.