Finding the Fourth Proportional to 381,352,746.13, 572,205,044.22 and 174,154,673.94
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Solution
The fourth proportional to 381,352,746.13, 572,205,044.22 and 174,154,673.94 is: 261,312,351.66
Step by Step Solution
- Step 1: Write the proportion equation
381,352,746.13 : 572,205,044.22 = 174,154,673.94 : x - Step 2: Convert to fraction form
381,352,746.13/572,205,044.22 = 174,154,673.94/x - Step 3: Cross multiply
381,352,746.13x = 572,205,044.22 × 174,154,673.94 - Step 4: Simplify right side
381,352,746.13x = 99,652,182,903,380,032 - Step 5: Solve for x
x = 99,652,182,903,380,032/381,352,746.13 - Step 6: Final answer
x = 261,312,351.66
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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.