Finding the Fourth Proportional to 4,290,658,597.36, 6,432,514,762 and 1,341,420,124.84
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Solution
The fourth proportional to 4,290,658,597.36, 6,432,514,762 and 1,341,420,124.84 is: 2,011,044,355.84
Step by Step Solution
- Step 1: Write the proportion equation
4,290,658,597.36 : 6,432,514,762 = 1,341,420,124.84 : x - Step 2: Convert to fraction form
4,290,658,597.36/6,432,514,762 = 1,341,420,124.84/x - Step 3: Cross multiply
4,290,658,597.36x = 6,432,514,762 × 1,341,420,124.84 - Step 4: Simplify right side
4,290,658,597.36x = 8,628,704,755,077,182,464 - Step 5: Solve for x
x = 8,628,704,755,077,182,464/4,290,658,597.36 - Step 6: Final answer
x = 2,011,044,355.84
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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.