Finding the Fourth Proportional to 7,884,927,286.70, 11,827,390,930.05 and 4,783,012,457.90
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Solution
The fourth proportional to 7,884,927,286.70, 11,827,390,930.05 and 4,783,012,457.90 is: 7,174,518,686.85
Step by Step Solution
- Step 1: Write the proportion equation
7,884,927,286.70 : 11,827,390,930.05 = 4,783,012,457.90 : x - Step 2: Convert to fraction form
7,884,927,286.70/11,827,390,930.05 = 4,783,012,457.90/x - Step 3: Cross multiply
7,884,927,286.70x = 11,827,390,930.05 × 4,783,012,457.90 - Step 4: Simplify right side
7,884,927,286.70x = 56,570,558,162,882,609,152 - Step 5: Solve for x
x = 56,570,558,162,882,609,152/7,884,927,286.70 - Step 6: Final answer
x = 7,174,518,686.85
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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.