Finding the Fourth Proportional to 610,889,701.98, 843,449,556.06 and 571,860,674.94
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Solution
The fourth proportional to 610,889,701.98, 843,449,556.06 and 571,860,674.94 is: 789,562,552.52
Step by Step Solution
- Step 1: Write the proportion equation
610,889,701.98 : 843,449,556.06 = 571,860,674.94 : x - Step 2: Convert to fraction form
610,889,701.98/843,449,556.06 = 571,860,674.94/x - Step 3: Cross multiply
610,889,701.98x = 843,449,556.06 × 571,860,674.94 - Step 4: Simplify right side
610,889,701.98x = 482,335,632,406,315,008 - Step 5: Solve for x
x = 482,335,632,406,315,008/610,889,701.98 - Step 6: Final answer
x = 789,562,552.52
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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.