Finding the Fourth Proportional to 473,212,135.70, 709,818,203.55 and 473,212,135.70
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Solution
The fourth proportional to 473,212,135.70, 709,818,203.55 and 473,212,135.70 is: 709,818,203.55
Step by Step Solution
- Step 1: Write the proportion equation
473,212,135.70 : 709,818,203.55 = 473,212,135.70 : x - Step 2: Convert to fraction form
473,212,135.70/709,818,203.55 = 473,212,135.70/x - Step 3: Cross multiply
473,212,135.70x = 709,818,203.55 × 473,212,135.70 - Step 4: Simplify right side
473,212,135.70x = 335,894,588,060,632,768 - Step 5: Solve for x
x = 335,894,588,060,632,768/473,212,135.70 - Step 6: Final answer
x = 709,818,203.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.