Finding the Fourth Proportional to 506,487,838.08, 759,708,221.76 and 211,261,111.68
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Solution
The fourth proportional to 506,487,838.08, 759,708,221.76 and 211,261,111.68 is: 316,881,850.69
Step by Step Solution
- Step 1: Write the proportion equation
506,487,838.08 : 759,708,221.76 = 211,261,111.68 : x - Step 2: Convert to fraction form
506,487,838.08/759,708,221.76 = 211,261,111.68/x - Step 3: Cross multiply
506,487,838.08x = 759,708,221.76 × 211,261,111.68 - Step 4: Simplify right side
506,487,838.08x = 160,496,803,481,453,568 - Step 5: Solve for x
x = 160,496,803,481,453,568/506,487,838.08 - Step 6: Final answer
x = 316,881,850.69
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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.