Finding the Fourth Proportional to 6,472,224,212.80, 9,708,336,319.20 and 3,720,341,358.40
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Solution
The fourth proportional to 6,472,224,212.80, 9,708,336,319.20 and 3,720,341,358.40 is: 5,580,512,037.60
Step by Step Solution
- Step 1: Write the proportion equation
6,472,224,212.80 : 9,708,336,319.20 = 3,720,341,358.40 : x - Step 2: Convert to fraction form
6,472,224,212.80/9,708,336,319.20 = 3,720,341,358.40/x - Step 3: Cross multiply
6,472,224,212.80x = 9,708,336,319.20 × 3,720,341,358.40 - Step 4: Simplify right side
6,472,224,212.80x = 36,118,325,129,576,587,264 - Step 5: Solve for x
x = 36,118,325,129,576,587,264/6,472,224,212.80 - Step 6: Final answer
x = 5,580,512,037.60
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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.