Finding the Fourth Proportional to 854,860,888.80, 1,282,291,333.20 and 807,243,775.20
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Solution
The fourth proportional to 854,860,888.80, 1,282,291,333.20 and 807,243,775.20 is: 1,210,865,662.80
Step by Step Solution
- Step 1: Write the proportion equation
854,860,888.80 : 1,282,291,333.20 = 807,243,775.20 : x - Step 2: Convert to fraction form
854,860,888.80/1,282,291,333.20 = 807,243,775.20/x - Step 3: Cross multiply
854,860,888.80x = 1,282,291,333.20 × 807,243,775.20 - Step 4: Simplify right side
854,860,888.80x = 1,035,121,696,718,609,152 - Step 5: Solve for x
x = 1,035,121,696,718,609,152/854,860,888.80 - Step 6: Final answer
x = 1,210,865,662.80
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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.