Finding the Fourth Proportional to 553,998,742,787.68, 831,535,478,654.08 and 267,358,520,138.04
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Solution
The fourth proportional to 553,998,742,787.68, 831,535,478,654.08 and 267,358,520,138.04 is: 401,297,111,066.61
Step by Step Solution
- Step 1: Write the proportion equation
553,998,742,787.68 : 831,535,478,654.08 = 267,358,520,138.04 : x - Step 2: Convert to fraction form
553,998,742,787.68/831,535,478,654.08 = 267,358,520,138.04/x - Step 3: Cross multiply
553,998,742,787.68x = 831,535,478,654.08 × 267,358,520,138.04 - Step 4: Simplify right side
553,998,742,787.68x = 222,318,095,015,231,587,614,720 - Step 5: Solve for x
x = 222,318,095,015,231,587,614,720/553,998,742,787.68 - Step 6: Final answer
x = 401,297,111,066.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.