Finding the Fourth Proportional to 988,967,209,138.70, 1,483,559,652,824.90 and 360,965,505,202.70
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Solution
The fourth proportional to 988,967,209,138.70, 1,483,559,652,824.90 and 360,965,505,202.70 is: 541,487,983,253.42
Step by Step Solution
- Step 1: Write the proportion equation
988,967,209,138.70 : 1,483,559,652,824.90 = 360,965,505,202.70 : x - Step 2: Convert to fraction form
988,967,209,138.70/1,483,559,652,824.90 = 360,965,505,202.70/x - Step 3: Cross multiply
988,967,209,138.70x = 1,483,559,652,824.90 × 360,965,505,202.70 - Step 4: Simplify right side
988,967,209,138.70x = 535,513,859,580,282,196,197,376 - Step 5: Solve for x
x = 535,513,859,580,282,196,197,376/988,967,209,138.70 - Step 6: Final answer
x = 541,487,983,253.42
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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.