Finding the Fourth Proportional to 849,632,676.11, 1,172,337,445.58 and 473,279,898.03
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Solution
The fourth proportional to 849,632,676.11, 1,172,337,445.58 and 473,279,898.03 is: 653,039,557.33
Step by Step Solution
- Step 1: Write the proportion equation
849,632,676.11 : 1,172,337,445.58 = 473,279,898.03 : x - Step 2: Convert to fraction form
849,632,676.11/1,172,337,445.58 = 473,279,898.03/x - Step 3: Cross multiply
849,632,676.11x = 1,172,337,445.58 × 473,279,898.03 - Step 4: Simplify right side
849,632,676.11x = 554,843,746,700,011,584 - Step 5: Solve for x
x = 554,843,746,700,011,584/849,632,676.11 - Step 6: Final answer
x = 653,039,557.33
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1.5x scale
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.