Finding the Fourth Proportional to 1,706,374,278.49, 2,559,561,417.73 and 479,542,729.99
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Solution
The fourth proportional to 1,706,374,278.49, 2,559,561,417.73 and 479,542,729.99 is: 719,314,094.98
Step by Step Solution
- Step 1: Write the proportion equation
1,706,374,278.49 : 2,559,561,417.73 = 479,542,729.99 : x - Step 2: Convert to fraction form
1,706,374,278.49/2,559,561,417.73 = 479,542,729.99/x - Step 3: Cross multiply
1,706,374,278.49x = 2,559,561,417.73 × 479,542,729.99 - Step 4: Simplify right side
1,706,374,278.49x = 1,227,419,069,822,521,344 - Step 5: Solve for x
x = 1,227,419,069,822,521,344/1,706,374,278.49 - Step 6: Final answer
x = 719,314,094.98
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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.