Finding the Fourth Proportional to 708,590,562.30, 1,062,885,843.45 and 625,366,901.70
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Solution
The fourth proportional to 708,590,562.30, 1,062,885,843.45 and 625,366,901.70 is: 938,050,352.55
Step by Step Solution
- Step 1: Write the proportion equation
708,590,562.30 : 1,062,885,843.45 = 625,366,901.70 : x - Step 2: Convert to fraction form
708,590,562.30/1,062,885,843.45 = 625,366,901.70/x - Step 3: Cross multiply
708,590,562.30x = 1,062,885,843.45 × 625,366,901.70 - Step 4: Simplify right side
708,590,562.30x = 664,693,626,779,117,824 - Step 5: Solve for x
x = 664,693,626,779,117,824/708,590,562.30 - Step 6: Final answer
x = 938,050,352.55
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Double scale
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Similar ratio
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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.