Finding the Fourth Proportional to 1,411,848,439.64, 2,115,318,397.68 and 990,776,774.36
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Solution
The fourth proportional to 1,411,848,439.64, 2,115,318,397.68 and 990,776,774.36 is: 1,484,442,862.24
Step by Step Solution
- Step 1: Write the proportion equation
1,411,848,439.64 : 2,115,318,397.68 = 990,776,774.36 : x - Step 2: Convert to fraction form
1,411,848,439.64/2,115,318,397.68 = 990,776,774.36/x - Step 3: Cross multiply
1,411,848,439.64x = 2,115,318,397.68 × 990,776,774.36 - Step 4: Simplify right side
1,411,848,439.64x = 2,095,808,338,787,177,728 - Step 5: Solve for x
x = 2,095,808,338,787,177,728/1,411,848,439.64 - Step 6: Final answer
x = 1,484,442,862.24
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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.