Finding the Fourth Proportional to 7,774,447,373.16, 10,736,147,094.36 and 7,350,900,438.44
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Solution
The fourth proportional to 7,774,447,373.16, 10,736,147,094.36 and 7,350,900,438.44 is: 10,151,248,647.66
Step by Step Solution
- Step 1: Write the proportion equation
7,774,447,373.16 : 10,736,147,094.36 = 7,350,900,438.44 : x - Step 2: Convert to fraction form
7,774,447,373.16/10,736,147,094.36 = 7,350,900,438.44/x - Step 3: Cross multiply
7,774,447,373.16x = 10,736,147,094.36 × 7,350,900,438.44 - Step 4: Simplify right side
7,774,447,373.16x = 78,920,348,383,087,263,744 - Step 5: Solve for x
x = 78,920,348,383,087,263,744/7,774,447,373.16 - Step 6: Final answer
x = 10,151,248,647.66
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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.