Finding the Fourth Proportional to 1,134,967,204.80, 1,702,450,807.20 and 747,227,851.20
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Solution
The fourth proportional to 1,134,967,204.80, 1,702,450,807.20 and 747,227,851.20 is: 1,120,841,776.80
Step by Step Solution
- Step 1: Write the proportion equation
1,134,967,204.80 : 1,702,450,807.20 = 747,227,851.20 : x - Step 2: Convert to fraction form
1,134,967,204.80/1,702,450,807.20 = 747,227,851.20/x - Step 3: Cross multiply
1,134,967,204.80x = 1,702,450,807.20 × 747,227,851.20 - Step 4: Simplify right side
1,134,967,204.80x = 1,272,118,658,437,761,536 - Step 5: Solve for x
x = 1,272,118,658,437,761,536/1,134,967,204.80 - Step 6: Final answer
x = 1,120,841,776.80
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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.