Finding the Fourth Proportional to 626,603,298.36, 864,735,888.42 and 375,748,531.74
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Solution
The fourth proportional to 626,603,298.36, 864,735,888.42 and 375,748,531.74 is: 518,546,967.86
Step by Step Solution
- Step 1: Write the proportion equation
626,603,298.36 : 864,735,888.42 = 375,748,531.74 : x - Step 2: Convert to fraction form
626,603,298.36/864,735,888.42 = 375,748,531.74/x - Step 3: Cross multiply
626,603,298.36x = 864,735,888.42 × 375,748,531.74 - Step 4: Simplify right side
626,603,298.36x = 324,923,240,416,699,456 - Step 5: Solve for x
x = 324,923,240,416,699,456/626,603,298.36 - Step 6: Final answer
x = 518,546,967.86
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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.