Finding the Fourth Proportional to 8,239,186,125.18, 12,358,779,187.68 and 2,423,095,821.18
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Solution
The fourth proportional to 8,239,186,125.18, 12,358,779,187.68 and 2,423,095,821.18 is: 3,634,643,731.74
Step by Step Solution
- Step 1: Write the proportion equation
8,239,186,125.18 : 12,358,779,187.68 = 2,423,095,821.18 : x - Step 2: Convert to fraction form
8,239,186,125.18/12,358,779,187.68 = 2,423,095,821.18/x - Step 3: Cross multiply
8,239,186,125.18x = 12,358,779,187.68 × 2,423,095,821.18 - Step 4: Simplify right side
8,239,186,125.18x = 29,946,506,204,553,760,768 - Step 5: Solve for x
x = 29,946,506,204,553,760,768/8,239,186,125.18 - Step 6: Final answer
x = 3,634,643,731.74
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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.