Finding the Fourth Proportional to 316,515,507.08, 435,776,239.86 and 246,811,443.08
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Solution
The fourth proportional to 316,515,507.08, 435,776,239.86 and 246,811,443.08 is: 339,808,193.32
Step by Step Solution
- Step 1: Write the proportion equation
316,515,507.08 : 435,776,239.86 = 246,811,443.08 : x - Step 2: Convert to fraction form
316,515,507.08/435,776,239.86 = 246,811,443.08/x - Step 3: Cross multiply
316,515,507.08x = 435,776,239.86 × 246,811,443.08 - Step 4: Simplify right side
316,515,507.08x = 107,554,562,619,822,832 - Step 5: Solve for x
x = 107,554,562,619,822,832/316,515,507.08 - Step 6: Final answer
x = 339,808,193.32
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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.