Finding the Fourth Proportional to 1,710,526,609.19, 2,360,526,740.84 and 928,245,457.19
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Solution
The fourth proportional to 1,710,526,609.19, 2,360,526,740.84 and 928,245,457.19 is: 1,280,978,741.86
Step by Step Solution
- Step 1: Write the proportion equation
1,710,526,609.19 : 2,360,526,740.84 = 928,245,457.19 : x - Step 2: Convert to fraction form
1,710,526,609.19/2,360,526,740.84 = 928,245,457.19/x - Step 3: Cross multiply
1,710,526,609.19x = 2,360,526,740.84 × 928,245,457.19 - Step 4: Simplify right side
1,710,526,609.19x = 2,191,148,223,760,246,784 - Step 5: Solve for x
x = 2,191,148,223,760,246,784/1,710,526,609.19 - Step 6: Final answer
x = 1,280,978,741.86
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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.