Finding the Fourth Proportional to 610,889,679.92, 843,449,525.62 and 571,860,652.88
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Solution
The fourth proportional to 610,889,679.92, 843,449,525.62 and 571,860,652.88 is: 789,562,522.08
Step by Step Solution
- Step 1: Write the proportion equation
610,889,679.92 : 843,449,525.62 = 571,860,652.88 : x - Step 2: Convert to fraction form
610,889,679.92/843,449,525.62 = 571,860,652.88/x - Step 3: Cross multiply
610,889,679.92x = 843,449,525.62 × 571,860,652.88 - Step 4: Simplify right side
610,889,679.92x = 482,335,596,386,732,544 - Step 5: Solve for x
x = 482,335,596,386,732,544/610,889,679.92 - Step 6: Final answer
x = 789,562,522.08
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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.