Finding the Fourth Proportional to 708,594,512.34, 977,861,035.98 and 395,328,774.54
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Solution
The fourth proportional to 708,594,512.34, 977,861,035.98 and 395,328,774.54 is: 545,554,048.60
Step by Step Solution
- Step 1: Write the proportion equation
708,594,512.34 : 977,861,035.98 = 395,328,774.54 : x - Step 2: Convert to fraction form
708,594,512.34/977,861,035.98 = 395,328,774.54/x - Step 3: Cross multiply
708,594,512.34x = 977,861,035.98 × 395,328,774.54 - Step 4: Simplify right side
708,594,512.34x = 386,576,605,024,388,288 - Step 5: Solve for x
x = 386,576,605,024,388,288/708,594,512.34 - Step 6: Final answer
x = 545,554,048.60
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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.