Finding the Fourth Proportional to 935,572,238.07, 1,290,883,281.12 and 553,904,757.24
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Solution
The fourth proportional to 935,572,238.07, 1,290,883,281.12 and 553,904,757.24 is: 764,266,361.65
Step by Step Solution
- Step 1: Write the proportion equation
935,572,238.07 : 1,290,883,281.12 = 553,904,757.24 : x - Step 2: Convert to fraction form
935,572,238.07/1,290,883,281.12 = 553,904,757.24/x - Step 3: Cross multiply
935,572,238.07x = 1,290,883,281.12 × 553,904,757.24 - Step 4: Simplify right side
935,572,238.07x = 715,026,390,453,948,288 - Step 5: Solve for x
x = 715,026,390,453,948,288/935,572,238.07 - Step 6: Final answer
x = 764,266,361.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.