Finding the Fourth Proportional to 1,197,727,110.72, 1,652,771,164.32 and 676,257,814.08
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Solution
The fourth proportional to 1,197,727,110.72, 1,652,771,164.32 and 676,257,814.08 is: 933,183,698.32
Step by Step Solution
- Step 1: Write the proportion equation
1,197,727,110.72 : 1,652,771,164.32 = 676,257,814.08 : x - Step 2: Convert to fraction form
1,197,727,110.72/1,652,771,164.32 = 676,257,814.08/x - Step 3: Cross multiply
1,197,727,110.72x = 1,652,771,164.32 × 676,257,814.08 - Step 4: Simplify right side
1,197,727,110.72x = 1,117,699,414,757,499,776 - Step 5: Solve for x
x = 1,117,699,414,757,499,776/1,197,727,110.72 - Step 6: Final answer
x = 933,183,698.32
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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.