Finding the Fourth Proportional to 7,558,272,051.30, 11,337,408,076.95 and 4,619,615,897.70
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Solution
The fourth proportional to 7,558,272,051.30, 11,337,408,076.95 and 4,619,615,897.70 is: 6,929,423,846.55
Step by Step Solution
- Step 1: Write the proportion equation
7,558,272,051.30 : 11,337,408,076.95 = 4,619,615,897.70 : x - Step 2: Convert to fraction form
7,558,272,051.30/11,337,408,076.95 = 4,619,615,897.70/x - Step 3: Cross multiply
7,558,272,051.30x = 11,337,408,076.95 × 4,619,615,897.70 - Step 4: Simplify right side
7,558,272,051.30x = 52,374,470,590,990,606,336 - Step 5: Solve for x
x = 52,374,470,590,990,606,336/7,558,272,051.30 - Step 6: Final answer
x = 6,929,423,846.55
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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.