Finding the Fourth Proportional to 497,716,987.02, 685,006,564.12 and 365,348,319.94
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Solution
The fourth proportional to 497,716,987.02, 685,006,564.12 and 365,348,319.94 is: 502,827,920.03
Step by Step Solution
- Step 1: Write the proportion equation
497,716,987.02 : 685,006,564.12 = 365,348,319.94 : x - Step 2: Convert to fraction form
497,716,987.02/685,006,564.12 = 365,348,319.94/x - Step 3: Cross multiply
497,716,987.02x = 685,006,564.12 × 365,348,319.94 - Step 4: Simplify right side
497,716,987.02x = 250,265,997,349,113,888 - Step 5: Solve for x
x = 250,265,997,349,113,888/497,716,987.02 - Step 6: Final answer
x = 502,827,920.03
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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.