Finding the Fourth Proportional to 1,248,398,883.01, 1,722,792,493.02 and 683,871,373.09
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Solution
The fourth proportional to 1,248,398,883.01, 1,722,792,493.02 and 683,871,373.09 is: 943,743,609.34
Step by Step Solution
- Step 1: Write the proportion equation
1,248,398,883.01 : 1,722,792,493.02 = 683,871,373.09 : x - Step 2: Convert to fraction form
1,248,398,883.01/1,722,792,493.02 = 683,871,373.09/x - Step 3: Cross multiply
1,248,398,883.01x = 1,722,792,493.02 × 683,871,373.09 - Step 4: Simplify right side
1,248,398,883.01x = 1,178,168,467,750,731,776 - Step 5: Solve for x
x = 1,178,168,467,750,731,776/1,248,398,883.01 - Step 6: Final answer
x = 943,743,609.34
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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.