Finding the Fourth Proportional to 19,959,134,782.38, 29,968,132,987.95 and 11,133,217,746.06
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Solution
The fourth proportional to 19,959,134,782.38, 29,968,132,987.95 and 11,133,217,746.06 is: 16,716,243,145.58
Step by Step Solution
- Step 1: Write the proportion equation
19,959,134,782.38 : 29,968,132,987.95 = 11,133,217,746.06 : x - Step 2: Convert to fraction form
19,959,134,782.38/29,968,132,987.95 = 11,133,217,746.06/x - Step 3: Cross multiply
19,959,134,782.38x = 29,968,132,987.95 × 11,133,217,746.06 - Step 4: Simplify right side
19,959,134,782.38x = 333,641,749,997,731,053,568 - Step 5: Solve for x
x = 333,641,749,997,731,053,568/19,959,134,782.38 - Step 6: Final answer
x = 16,716,243,145.58
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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.