Finding the Fourth Proportional to 1,552,998,774.14, 2,143,191,194.62 and 918,463,202.40
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Solution
The fourth proportional to 1,552,998,774.14, 2,143,191,194.62 and 918,463,202.40 is: 1,267,510,496.95
Step by Step Solution
- Step 1: Write the proportion equation
1,552,998,774.14 : 2,143,191,194.62 = 918,463,202.40 : x - Step 2: Convert to fraction form
1,552,998,774.14/2,143,191,194.62 = 918,463,202.40/x - Step 3: Cross multiply
1,552,998,774.14x = 2,143,191,194.62 × 918,463,202.40 - Step 4: Simplify right side
1,552,998,774.14x = 1,968,442,247,966,166,784 - Step 5: Solve for x
x = 1,968,442,247,966,166,784/1,552,998,774.14 - Step 6: Final answer
x = 1,267,510,496.95
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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.