Finding the Fourth Proportional to 708,296,998.20, 1,062,445,497.30 and 560,343,823.80
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Solution
The fourth proportional to 708,296,998.20, 1,062,445,497.30 and 560,343,823.80 is: 840,515,735.70
Step by Step Solution
- Step 1: Write the proportion equation
708,296,998.20 : 1,062,445,497.30 = 560,343,823.80 : x - Step 2: Convert to fraction form
708,296,998.20/1,062,445,497.30 = 560,343,823.80/x - Step 3: Cross multiply
708,296,998.20x = 1,062,445,497.30 × 560,343,823.80 - Step 4: Simplify right side
708,296,998.20x = 595,334,772,536,174,464 - Step 5: Solve for x
x = 595,334,772,536,174,464/708,296,998.20 - Step 6: Final answer
x = 840,515,735.70
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1.5x scale
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.