Finding the Fourth Proportional to 264,328,398.09, 364,779,267.75 and 145,258,393.23
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Solution
The fourth proportional to 264,328,398.09, 364,779,267.75 and 145,258,393.23 is: 200,459,922.96
Step by Step Solution
- Step 1: Write the proportion equation
264,328,398.09 : 364,779,267.75 = 145,258,393.23 : x - Step 2: Convert to fraction form
264,328,398.09/364,779,267.75 = 145,258,393.23/x - Step 3: Cross multiply
264,328,398.09x = 364,779,267.75 × 145,258,393.23 - Step 4: Simplify right side
264,328,398.09x = 52,987,250,316,980,952 - Step 5: Solve for x
x = 52,987,250,316,980,952/264,328,398.09 - Step 6: Final answer
x = 200,459,922.96
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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.