Finding the Fourth Proportional to 804,319,920.78, 1,206,478,098.62 and 214,110,294.18
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Solution
The fourth proportional to 804,319,920.78, 1,206,478,098.62 and 214,110,294.18 is: 321,164,966.75
Step by Step Solution
- Step 1: Write the proportion equation
804,319,920.78 : 1,206,478,098.62 = 214,110,294.18 : x - Step 2: Convert to fraction form
804,319,920.78/1,206,478,098.62 = 214,110,294.18/x - Step 3: Cross multiply
804,319,920.78x = 1,206,478,098.62 × 214,110,294.18 - Step 4: Simplify right side
804,319,920.78x = 258,319,380,616,184,704 - Step 5: Solve for x
x = 258,319,380,616,184,704/804,319,920.78 - Step 6: Final answer
x = 321,164,966.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.