Finding the Fourth Proportional to 651,630,023.70, 977,445,035.55 and 651,630,023.70
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Solution
The fourth proportional to 651,630,023.70, 977,445,035.55 and 651,630,023.70 is: 977,445,035.55
Step by Step Solution
- Step 1: Write the proportion equation
651,630,023.70 : 977,445,035.55 = 651,630,023.70 : x - Step 2: Convert to fraction form
651,630,023.70/977,445,035.55 = 651,630,023.70/x - Step 3: Cross multiply
651,630,023.70x = 977,445,035.55 × 651,630,023.70 - Step 4: Simplify right side
651,630,023.70x = 636,932,531,680,893,824 - Step 5: Solve for x
x = 636,932,531,680,893,824/651,630,023.70 - Step 6: Final answer
x = 977,445,035.55
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Double scale
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Similar ratio
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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.