Finding the Fourth Proportional to 1,775,584,636.90, 2,663,376,955.35 and 959,291,260.90
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Solution
The fourth proportional to 1,775,584,636.90, 2,663,376,955.35 and 959,291,260.90 is: 1,438,936,891.35
Step by Step Solution
- Step 1: Write the proportion equation
1,775,584,636.90 : 2,663,376,955.35 = 959,291,260.90 : x - Step 2: Convert to fraction form
1,775,584,636.90/2,663,376,955.35 = 959,291,260.90/x - Step 3: Cross multiply
1,775,584,636.90x = 2,663,376,955.35 × 959,291,260.90 - Step 4: Simplify right side
1,775,584,636.90x = 2,554,954,237,749,704,192 - Step 5: Solve for x
x = 2,554,954,237,749,704,192/1,775,584,636.90 - Step 6: Final answer
x = 1,438,936,891.35
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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.