Finding the Fourth Proportional to 406,974,935.56, 610,734,528.12 and 173,860,125.88
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Solution
The fourth proportional to 406,974,935.56, 610,734,528.12 and 173,860,125.88 is: 260,906,440.82
Step by Step Solution
- Step 1: Write the proportion equation
406,974,935.56 : 610,734,528.12 = 173,860,125.88 : x - Step 2: Convert to fraction form
406,974,935.56/610,734,528.12 = 173,860,125.88/x - Step 3: Cross multiply
406,974,935.56x = 610,734,528.12 × 173,860,125.88 - Step 4: Simplify right side
406,974,935.56x = 106,182,381,938,205,600 - Step 5: Solve for x
x = 106,182,381,938,205,600/406,974,935.56 - Step 6: Final answer
x = 260,906,440.82
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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.