Finding the Fourth Proportional to 5,455,991,518.60, 7,529,254,134.08 and 3,044,648,728.12
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Solution
The fourth proportional to 5,455,991,518.60, 7,529,254,134.08 and 3,044,648,728.12 is: 4,201,607,342.11
Step by Step Solution
- Step 1: Write the proportion equation
5,455,991,518.60 : 7,529,254,134.08 = 3,044,648,728.12 : x - Step 2: Convert to fraction form
5,455,991,518.60/7,529,254,134.08 = 3,044,648,728.12/x - Step 3: Cross multiply
5,455,991,518.60x = 7,529,254,134.08 × 3,044,648,728.12 - Step 4: Simplify right side
5,455,991,518.60x = 22,923,934,023,018,921,984 - Step 5: Solve for x
x = 22,923,934,023,018,921,984/5,455,991,518.60 - Step 6: Final answer
x = 4,201,607,342.11
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.