Finding the Fourth Proportional to 1,423,577,950.56, 2,133,860,261.04 and 647,768,418.30
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Solution
The fourth proportional to 1,423,577,950.56, 2,133,860,261.04 and 647,768,418.30 is: 970,967,052.15
Step by Step Solution
- Step 1: Write the proportion equation
1,423,577,950.56 : 2,133,860,261.04 = 647,768,418.30 : x - Step 2: Convert to fraction form
1,423,577,950.56/2,133,860,261.04 = 647,768,418.30/x - Step 3: Cross multiply
1,423,577,950.56x = 2,133,860,261.04 × 647,768,418.30 - Step 4: Simplify right side
1,423,577,950.56x = 1,382,247,286,167,105,792 - Step 5: Solve for x
x = 1,382,247,286,167,105,792/1,423,577,950.56 - Step 6: Final answer
x = 970,967,052.15
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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.