Finding the Fourth Proportional to 1,303,058,148.44, 1,798,207,469.64 and 708,307,246.44
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Solution
The fourth proportional to 1,303,058,148.44, 1,798,207,469.64 and 708,307,246.44 is: 977,457,055.83
Step by Step Solution
- Step 1: Write the proportion equation
1,303,058,148.44 : 1,798,207,469.64 = 708,307,246.44 : x - Step 2: Convert to fraction form
1,303,058,148.44/1,798,207,469.64 = 708,307,246.44/x - Step 3: Cross multiply
1,303,058,148.44x = 1,798,207,469.64 × 708,307,246.44 - Step 4: Simplify right side
1,303,058,148.44x = 1,273,683,381,348,548,352 - Step 5: Solve for x
x = 1,273,683,381,348,548,352/1,303,058,148.44 - Step 6: Final answer
x = 977,457,055.83
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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.