Finding the Fourth Proportional to 1,284,895,776.36, 1,773,166,800.06 and 698,184,912.36
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Solution
The fourth proportional to 1,284,895,776.36, 1,773,166,800.06 and 698,184,912.36 is: 963,500,954.46
Step by Step Solution
- Step 1: Write the proportion equation
1,284,895,776.36 : 1,773,166,800.06 = 698,184,912.36 : x - Step 2: Convert to fraction form
1,284,895,776.36/1,773,166,800.06 = 698,184,912.36/x - Step 3: Cross multiply
1,284,895,776.36x = 1,773,166,800.06 × 698,184,912.36 - Step 4: Simplify right side
1,284,895,776.36x = 1,237,998,306,899,552,768 - Step 5: Solve for x
x = 1,237,998,306,899,552,768/1,284,895,776.36 - Step 6: Final answer
x = 963,500,954.46
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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.