Finding the Fourth Proportional to 748,882,995.84, 1,122,587,555.76 and 437,595,563.52
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Solution
The fourth proportional to 748,882,995.84, 1,122,587,555.76 and 437,595,563.52 is: 655,962,729.55
Step by Step Solution
- Step 1: Write the proportion equation
748,882,995.84 : 1,122,587,555.76 = 437,595,563.52 : x - Step 2: Convert to fraction form
748,882,995.84/1,122,587,555.76 = 437,595,563.52/x - Step 3: Cross multiply
748,882,995.84x = 1,122,587,555.76 × 437,595,563.52 - Step 4: Simplify right side
748,882,995.84x = 491,239,334,063,336,576 - Step 5: Solve for x
x = 491,239,334,063,336,576/748,882,995.84 - Step 6: Final answer
x = 655,962,729.55
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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.