Finding the Fourth Proportional to 708,588,822.15, 1,062,883,233.23 and 398,652,430.95
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Solution
The fourth proportional to 708,588,822.15, 1,062,883,233.23 and 398,652,430.95 is: 597,978,646.43
Step by Step Solution
- Step 1: Write the proportion equation
708,588,822.15 : 1,062,883,233.23 = 398,652,430.95 : x - Step 2: Convert to fraction form
708,588,822.15/1,062,883,233.23 = 398,652,430.95/x - Step 3: Cross multiply
708,588,822.15x = 1,062,883,233.23 × 398,652,430.95 - Step 4: Simplify right side
708,588,822.15x = 423,720,984,741,142,080 - Step 5: Solve for x
x = 423,720,984,741,142,080/708,588,822.15 - Step 6: Final answer
x = 597,978,646.43
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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.