Finding the Fourth Proportional to 1,065,021,339.97, 1,469,701,256.21 and 595,126,522.18
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Solution
The fourth proportional to 1,065,021,339.97, 1,469,701,256.21 and 595,126,522.18 is: 821,258,846.58
Step by Step Solution
- Step 1: Write the proportion equation
1,065,021,339.97 : 1,469,701,256.21 = 595,126,522.18 : x - Step 2: Convert to fraction form
1,065,021,339.97/1,469,701,256.21 = 595,126,522.18/x - Step 3: Cross multiply
1,065,021,339.97x = 1,469,701,256.21 × 595,126,522.18 - Step 4: Simplify right side
1,065,021,339.97x = 874,658,197,251,834,368 - Step 5: Solve for x
x = 874,658,197,251,834,368/1,065,021,339.97 - Step 6: Final answer
x = 821,258,846.58
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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.