Finding the Fourth Proportional to 4,815,607,432.10, 7,223,411,148.15 and 4,080,943,393.70
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Solution
The fourth proportional to 4,815,607,432.10, 7,223,411,148.15 and 4,080,943,393.70 is: 6,121,415,090.55
Step by Step Solution
- Step 1: Write the proportion equation
4,815,607,432.10 : 7,223,411,148.15 = 4,080,943,393.70 : x - Step 2: Convert to fraction form
4,815,607,432.10/7,223,411,148.15 = 4,080,943,393.70/x - Step 3: Cross multiply
4,815,607,432.10x = 7,223,411,148.15 × 4,080,943,393.70 - Step 4: Simplify right side
4,815,607,432.10x = 29,478,332,005,021,671,424 - Step 5: Solve for x
x = 29,478,332,005,021,671,424/4,815,607,432.10 - Step 6: Final answer
x = 6,121,415,090.55
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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.