Finding the Fourth Proportional to 7,031,432,641.46, 9,698,963,330.84 and 4,171,550,105.28
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Solution
The fourth proportional to 7,031,432,641.46, 9,698,963,330.84 and 4,171,550,105.28 is: 5,754,120,613.39
Step by Step Solution
- Step 1: Write the proportion equation
7,031,432,641.46 : 9,698,963,330.84 = 4,171,550,105.28 : x - Step 2: Convert to fraction form
7,031,432,641.46/9,698,963,330.84 = 4,171,550,105.28/x - Step 3: Cross multiply
7,031,432,641.46x = 9,698,963,330.84 × 4,171,550,105.28 - Step 4: Simplify right side
7,031,432,641.46x = 40,459,711,503,872,466,944 - Step 5: Solve for x
x = 40,459,711,503,872,466,944/7,031,432,641.46 - Step 6: Final answer
x = 5,754,120,613.39
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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.