Finding the Fourth Proportional to 7,558,478,432.70, 11,337,717,649.05 and 6,506,366,970.30
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Solution
The fourth proportional to 7,558,478,432.70, 11,337,717,649.05 and 6,506,366,970.30 is: 9,759,550,455.45
Step by Step Solution
- Step 1: Write the proportion equation
7,558,478,432.70 : 11,337,717,649.05 = 6,506,366,970.30 : x - Step 2: Convert to fraction form
7,558,478,432.70/11,337,717,649.05 = 6,506,366,970.30/x - Step 3: Cross multiply
7,558,478,432.70x = 11,337,717,649.05 × 6,506,366,970.30 - Step 4: Simplify right side
7,558,478,432.70x = 73,767,351,630,366,285,824 - Step 5: Solve for x
x = 73,767,351,630,366,285,824/7,558,478,432.70 - Step 6: Final answer
x = 9,759,550,455.45
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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.