Finding the Fourth Proportional to 848,566,403.64, 1,171,013,176.40 and 472,216,545.09
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Solution
The fourth proportional to 848,566,403.64, 1,171,013,176.40 and 472,216,545.09 is: 651,654,123.99
Step by Step Solution
- Step 1: Write the proportion equation
848,566,403.64 : 1,171,013,176.40 = 472,216,545.09 : x - Step 2: Convert to fraction form
848,566,403.64/1,171,013,176.40 = 472,216,545.09/x - Step 3: Cross multiply
848,566,403.64x = 1,171,013,176.40 × 472,216,545.09 - Step 4: Simplify right side
848,566,403.64x = 552,971,796,412,113,600 - Step 5: Solve for x
x = 552,971,796,412,113,600/848,566,403.64 - Step 6: Final answer
x = 651,654,123.99
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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.