Finding the Fourth Proportional to 590,980,998.60, 886,471,497.90 and 346,092,985.80
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Solution
The fourth proportional to 590,980,998.60, 886,471,497.90 and 346,092,985.80 is: 519,139,478.70
Step by Step Solution
- Step 1: Write the proportion equation
590,980,998.60 : 886,471,497.90 = 346,092,985.80 : x - Step 2: Convert to fraction form
590,980,998.60/886,471,497.90 = 346,092,985.80/x - Step 3: Cross multiply
590,980,998.60x = 886,471,497.90 × 346,092,985.80 - Step 4: Simplify right side
590,980,998.60x = 306,801,567,534,809,408 - Step 5: Solve for x
x = 306,801,567,534,809,408/590,980,998.60 - Step 6: Final answer
x = 519,139,478.70
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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.