Finding the Fourth Proportional to 5,087,236,225.05, 7,630,854,337.58 and 5,087,236,225.05
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Solution
The fourth proportional to 5,087,236,225.05, 7,630,854,337.58 and 5,087,236,225.05 is: 7,630,854,337.58
Step by Step Solution
- Step 1: Write the proportion equation
5,087,236,225.05 : 7,630,854,337.58 = 5,087,236,225.05 : x - Step 2: Convert to fraction form
5,087,236,225.05/7,630,854,337.58 = 5,087,236,225.05/x - Step 3: Cross multiply
5,087,236,225.05x = 7,630,854,337.58 × 5,087,236,225.05 - Step 4: Simplify right side
5,087,236,225.05x = 38,819,958,614,191,464,448 - Step 5: Solve for x
x = 38,819,958,614,191,464,448/5,087,236,225.05 - Step 6: Final answer
x = 7,630,854,337.58
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Double scale
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1.5x scale
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.