Finding the Fourth Proportional to 1,175,149,159.20, 1,762,723,738.80 and 530,176,615.20
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Solution
The fourth proportional to 1,175,149,159.20, 1,762,723,738.80 and 530,176,615.20 is: 795,264,922.80
Step by Step Solution
- Step 1: Write the proportion equation
1,175,149,159.20 : 1,762,723,738.80 = 530,176,615.20 : x - Step 2: Convert to fraction form
1,175,149,159.20/1,762,723,738.80 = 530,176,615.20/x - Step 3: Cross multiply
1,175,149,159.20x = 1,762,723,738.80 × 530,176,615.20 - Step 4: Simplify right side
1,175,149,159.20x = 934,554,905,369,672,832 - Step 5: Solve for x
x = 934,554,905,369,672,832/1,175,149,159.20 - Step 6: Final answer
x = 795,264,922.80
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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.