Finding the Fourth Proportional to 1,833,118,774.92, 2,529,919,317.42 and 1,029,478,344.12
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Solution
The fourth proportional to 1,833,118,774.92, 2,529,919,317.42 and 1,029,478,344.12 is: 1,420,801,087.90
Step by Step Solution
- Step 1: Write the proportion equation
1,833,118,774.92 : 2,529,919,317.42 = 1,029,478,344.12 : x - Step 2: Convert to fraction form
1,833,118,774.92/2,529,919,317.42 = 1,029,478,344.12/x - Step 3: Cross multiply
1,833,118,774.92x = 2,529,919,317.42 × 1,029,478,344.12 - Step 4: Simplify right side
1,833,118,774.92x = 2,604,497,149,654,742,528 - Step 5: Solve for x
x = 2,604,497,149,654,742,528/1,833,118,774.92 - Step 6: Final answer
x = 1,420,801,087.90
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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.