Finding the Fourth Proportional to 1,055,944,542.84, 1,457,135,586.38 and 586,046,182.12
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Solution
The fourth proportional to 1,055,944,542.84, 1,457,135,586.38 and 586,046,182.12 is: 808,706,056.60
Step by Step Solution
- Step 1: Write the proportion equation
1,055,944,542.84 : 1,457,135,586.38 = 586,046,182.12 : x - Step 2: Convert to fraction form
1,055,944,542.84/1,457,135,586.38 = 586,046,182.12/x - Step 3: Cross multiply
1,055,944,542.84x = 1,457,135,586.38 × 586,046,182.12 - Step 4: Simplify right side
1,055,944,542.84x = 853,948,747,229,186,560 - Step 5: Solve for x
x = 853,948,747,229,186,560/1,055,944,542.84 - Step 6: Final answer
x = 808,706,056.60
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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.