Finding the Fourth Proportional to 4,973,555,420.70, 6,973,169,747.70 and 4,973,555,420.70
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Solution
The fourth proportional to 4,973,555,420.70, 6,973,169,747.70 and 4,973,555,420.70 is: 6,973,169,747.70
Step by Step Solution
- Step 1: Write the proportion equation
4,973,555,420.70 : 6,973,169,747.70 = 4,973,555,420.70 : x - Step 2: Convert to fraction form
4,973,555,420.70/6,973,169,747.70 = 4,973,555,420.70/x - Step 3: Cross multiply
4,973,555,420.70x = 6,973,169,747.70 × 4,973,555,420.70 - Step 4: Simplify right side
4,973,555,420.70x = 34,681,446,198,134,583,296 - Step 5: Solve for x
x = 34,681,446,198,134,583,296/4,973,555,420.70 - Step 6: Final answer
x = 6,973,169,747.70
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.