Finding the Fourth Proportional to 860,580,887.40, 1,187,566,545.53 and 508,270,933.80
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Solution
The fourth proportional to 860,580,887.40, 1,187,566,545.53 and 508,270,933.80 is: 701,393,170.45
Step by Step Solution
- Step 1: Write the proportion equation
860,580,887.40 : 1,187,566,545.53 = 508,270,933.80 : x - Step 2: Convert to fraction form
860,580,887.40/1,187,566,545.53 = 508,270,933.80/x - Step 3: Cross multiply
860,580,887.40x = 1,187,566,545.53 × 508,270,933.80 - Step 4: Simplify right side
860,580,887.40x = 603,605,557,043,632,000 - Step 5: Solve for x
x = 603,605,557,043,632,000/860,580,887.40 - Step 6: Final answer
x = 701,393,170.45
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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.