Finding the Fourth Proportional to 1,224,881,230.24, 1,690,338,771.36 and 696,248,454.88
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Solution
The fourth proportional to 1,224,881,230.24, 1,690,338,771.36 and 696,248,454.88 is: 960,824,387.48
Step by Step Solution
- Step 1: Write the proportion equation
1,224,881,230.24 : 1,690,338,771.36 = 696,248,454.88 : x - Step 2: Convert to fraction form
1,224,881,230.24/1,690,338,771.36 = 696,248,454.88/x - Step 3: Cross multiply
1,224,881,230.24x = 1,690,338,771.36 × 696,248,454.88 - Step 4: Simplify right side
1,224,881,230.24x = 1,176,895,757,783,157,504 - Step 5: Solve for x
x = 1,176,895,757,783,157,504/1,224,881,230.24 - Step 6: Final answer
x = 960,824,387.48
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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.