Finding the Fourth Proportional to 6,929,139,666.96, 10,389,558,782.21 and 2,205,421,188.08
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Solution
The fourth proportional to 6,929,139,666.96, 10,389,558,782.21 and 2,205,421,188.08 is: 3,306,810,682.76
Step by Step Solution
- Step 1: Write the proportion equation
6,929,139,666.96 : 10,389,558,782.21 = 2,205,421,188.08 : x - Step 2: Convert to fraction form
6,929,139,666.96/10,389,558,782.21 = 2,205,421,188.08/x - Step 3: Cross multiply
6,929,139,666.96x = 10,389,558,782.21 × 2,205,421,188.08 - Step 4: Simplify right side
6,929,139,666.96x = 22,913,353,073,025,597,440 - Step 5: Solve for x
x = 22,913,353,073,025,597,440/6,929,139,666.96 - Step 6: Final answer
x = 3,306,810,682.76
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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.