Finding the Fourth Proportional to 1,704,221,774.40, 2,556,332,661.60 and 877,724,731.20
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Solution
The fourth proportional to 1,704,221,774.40, 2,556,332,661.60 and 877,724,731.20 is: 1,316,587,096.80
Step by Step Solution
- Step 1: Write the proportion equation
1,704,221,774.40 : 2,556,332,661.60 = 877,724,731.20 : x - Step 2: Convert to fraction form
1,704,221,774.40/2,556,332,661.60 = 877,724,731.20/x - Step 3: Cross multiply
1,704,221,774.40x = 2,556,332,661.60 × 877,724,731.20 - Step 4: Simplify right side
1,704,221,774.40x = 2,243,756,398,260,640,512 - Step 5: Solve for x
x = 2,243,756,398,260,640,512/1,704,221,774.40 - Step 6: Final answer
x = 1,316,587,096.80
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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.