Finding the Fourth Proportional to 517,230,782.08, 713,795,134.08 and 294,206,747.20
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Solution
The fourth proportional to 517,230,782.08, 713,795,134.08 and 294,206,747.20 is: 406,014,784.58
Step by Step Solution
- Step 1: Write the proportion equation
517,230,782.08 : 713,795,134.08 = 294,206,747.20 : x - Step 2: Convert to fraction form
517,230,782.08/713,795,134.08 = 294,206,747.20/x - Step 3: Cross multiply
517,230,782.08x = 713,795,134.08 × 294,206,747.20 - Step 4: Simplify right side
517,230,782.08x = 210,003,344,564,864,672 - Step 5: Solve for x
x = 210,003,344,564,864,672/517,230,782.08 - Step 6: Final answer
x = 406,014,784.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.