Finding the Fourth Proportional to 625,753,140.05, 877,868,381.35 and 625,753,140.05
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Solution
The fourth proportional to 625,753,140.05, 877,868,381.35 and 625,753,140.05 is: 877,868,381.35
Step by Step Solution
- Step 1: Write the proportion equation
625,753,140.05 : 877,868,381.35 = 625,753,140.05 : x - Step 2: Convert to fraction form
625,753,140.05/877,868,381.35 = 625,753,140.05/x - Step 3: Cross multiply
625,753,140.05x = 877,868,381.35 × 625,753,140.05 - Step 4: Simplify right side
625,753,140.05x = 549,328,896,180,373,312 - Step 5: Solve for x
x = 549,328,896,180,373,312/625,753,140.05 - Step 6: Final answer
x = 877,868,381.35
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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.