Finding the Fourth Proportional to 608,214,088.18, 839,353,148.04 and 343,890,406.18
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Solution
The fourth proportional to 608,214,088.18, 839,353,148.04 and 343,890,406.18 is: 474,578,771.88
Step by Step Solution
- Step 1: Write the proportion equation
608,214,088.18 : 839,353,148.04 = 343,890,406.18 : x - Step 2: Convert to fraction form
608,214,088.18/839,353,148.04 = 343,890,406.18/x - Step 3: Cross multiply
608,214,088.18x = 839,353,148.04 × 343,890,406.18 - Step 4: Simplify right side
608,214,088.18x = 288,645,495,007,937,280 - Step 5: Solve for x
x = 288,645,495,007,937,280/608,214,088.18 - Step 6: Final answer
x = 474,578,771.88
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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.