Finding the Fourth Proportional to 4,822,991,357.31, 7,232,003,021.49 and 2,164,768,607.90
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Solution
The fourth proportional to 4,822,991,357.31, 7,232,003,021.49 and 2,164,768,607.90 is: 3,246,037,977.95
Step by Step Solution
- Step 1: Write the proportion equation
4,822,991,357.31 : 7,232,003,021.49 = 2,164,768,607.90 : x - Step 2: Convert to fraction form
4,822,991,357.31/7,232,003,021.49 = 2,164,768,607.90/x - Step 3: Cross multiply
4,822,991,357.31x = 7,232,003,021.49 × 2,164,768,607.90 - Step 4: Simplify right side
4,822,991,357.31x = 15,655,613,113,169,356,800 - Step 5: Solve for x
x = 15,655,613,113,169,356,800/4,822,991,357.31 - Step 6: Final answer
x = 3,246,037,977.95
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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.