Finding the Fourth Proportional to 1,134,317,296.97, 1,565,385,549.04 and 632,521,183.12
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Solution
The fourth proportional to 1,134,317,296.97, 1,565,385,549.04 and 632,521,183.12 is: 872,894,667.26
Step by Step Solution
- Step 1: Write the proportion equation
1,134,317,296.97 : 1,565,385,549.04 = 632,521,183.12 : x - Step 2: Convert to fraction form
1,134,317,296.97/1,565,385,549.04 = 632,521,183.12/x - Step 3: Cross multiply
1,134,317,296.97x = 1,565,385,549.04 × 632,521,183.12 - Step 4: Simplify right side
1,134,317,296.97x = 990,139,519,512,236,672 - Step 5: Solve for x
x = 990,139,519,512,236,672/1,134,317,296.97 - Step 6: Final answer
x = 872,894,667.26
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1.5x scale
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.