Finding the Fourth Proportional to 405,011,962.08, 558,887,489.64 and 237,755,013.48
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Solution
The fourth proportional to 405,011,962.08, 558,887,489.64 and 237,755,013.48 is: 328,084,884.09
Step by Step Solution
- Step 1: Write the proportion equation
405,011,962.08 : 558,887,489.64 = 237,755,013.48 : x - Step 2: Convert to fraction form
405,011,962.08/558,887,489.64 = 237,755,013.48/x - Step 3: Cross multiply
405,011,962.08x = 558,887,489.64 × 237,755,013.48 - Step 4: Simplify right side
405,011,962.08x = 132,878,302,633,161,552 - Step 5: Solve for x
x = 132,878,302,633,161,552/405,011,962.08 - Step 6: Final answer
x = 328,084,884.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.