Finding the Fourth Proportional to 1,534,497,614.99, 2,117,602,725.74 and 856,307,455.16
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Solution
The fourth proportional to 1,534,497,614.99, 2,117,602,725.74 and 856,307,455.16 is: 1,181,702,065.48
Step by Step Solution
- Step 1: Write the proportion equation
1,534,497,614.99 : 2,117,602,725.74 = 856,307,455.16 : x - Step 2: Convert to fraction form
1,534,497,614.99/2,117,602,725.74 = 856,307,455.16/x - Step 3: Cross multiply
1,534,497,614.99x = 2,117,602,725.74 × 856,307,455.16 - Step 4: Simplify right side
1,534,497,614.99x = 1,813,319,001,103,429,120 - Step 5: Solve for x
x = 1,813,319,001,103,429,120/1,534,497,614.99 - Step 6: Final answer
x = 1,181,702,065.48
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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.