Finding the Fourth Proportional to 7,584,516,149.10, 11,376,774,223.65 and 6,985,901,006.70
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Solution
The fourth proportional to 7,584,516,149.10, 11,376,774,223.65 and 6,985,901,006.70 is: 10,478,851,510.05
Step by Step Solution
- Step 1: Write the proportion equation
7,584,516,149.10 : 11,376,774,223.65 = 6,985,901,006.70 : x - Step 2: Convert to fraction form
7,584,516,149.10/11,376,774,223.65 = 6,985,901,006.70/x - Step 3: Cross multiply
7,584,516,149.10x = 11,376,774,223.65 × 6,985,901,006.70 - Step 4: Simplify right side
7,584,516,149.10x = 79,477,018,501,995,134,976 - Step 5: Solve for x
x = 79,477,018,501,995,134,976/7,584,516,149.10 - Step 6: Final answer
x = 10,478,851,510.05
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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.