Finding the Fourth Proportional to 579,966,883.20, 869,950,324.80 and 473,798,563.20
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Solution
The fourth proportional to 579,966,883.20, 869,950,324.80 and 473,798,563.20 is: 710,697,844.80
Step by Step Solution
- Step 1: Write the proportion equation
579,966,883.20 : 869,950,324.80 = 473,798,563.20 : x - Step 2: Convert to fraction form
579,966,883.20/869,950,324.80 = 473,798,563.20/x - Step 3: Cross multiply
579,966,883.20x = 869,950,324.80 × 473,798,563.20 - Step 4: Simplify right side
579,966,883.20x = 412,181,213,945,613,312 - Step 5: Solve for x
x = 412,181,213,945,613,312/579,966,883.20 - Step 6: Final answer
x = 710,697,844.80
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Double scale
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Similar ratio
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1.5x scale
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.