Finding the Fourth Proportional to 12,924,239,974.68, 19,346,598,350.12 and 8,432,663,158.65
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Solution
The fourth proportional to 12,924,239,974.68, 19,346,598,350.12 and 8,432,663,158.65 is: 12,623,051,527.35
Step by Step Solution
- Step 1: Write the proportion equation
12,924,239,974.68 : 19,346,598,350.12 = 8,432,663,158.65 : x - Step 2: Convert to fraction form
12,924,239,974.68/19,346,598,350.12 = 8,432,663,158.65/x - Step 3: Cross multiply
12,924,239,974.68x = 19,346,598,350.12 × 8,432,663,158.65 - Step 4: Simplify right side
12,924,239,974.68x = 163,143,347,152,281,108,480 - Step 5: Solve for x
x = 163,143,347,152,281,108,480/12,924,239,974.68 - Step 6: Final answer
x = 12,623,051,527.35
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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.