Finding the Fourth Proportional to 5,070,064,455.19, 7,599,729,128.73 and 1,705,432,358.53
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Solution
The fourth proportional to 5,070,064,455.19, 7,599,729,128.73 and 1,705,432,358.53 is: 2,556,343,037.99
Step by Step Solution
- Step 1: Write the proportion equation
5,070,064,455.19 : 7,599,729,128.73 = 1,705,432,358.53 : x - Step 2: Convert to fraction form
5,070,064,455.19/7,599,729,128.73 = 1,705,432,358.53/x - Step 3: Cross multiply
5,070,064,455.19x = 7,599,729,128.73 × 1,705,432,358.53 - Step 4: Simplify right side
5,070,064,455.19x = 12,960,823,972,199,145,472 - Step 5: Solve for x
x = 12,960,823,972,199,145,472/5,070,064,455.19 - Step 6: Final answer
x = 2,556,343,037.99
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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.