Finding the Fourth Proportional to 495,240,415.05, 742,860,622.58 and 487,587,664.65
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Solution
The fourth proportional to 495,240,415.05, 742,860,622.58 and 487,587,664.65 is: 731,381,496.98
Step by Step Solution
- Step 1: Write the proportion equation
495,240,415.05 : 742,860,622.58 = 487,587,664.65 : x - Step 2: Convert to fraction form
495,240,415.05/742,860,622.58 = 487,587,664.65/x - Step 3: Cross multiply
495,240,415.05x = 742,860,622.58 × 487,587,664.65 - Step 4: Simplify right side
495,240,415.05x = 362,209,676,121,789,312 - Step 5: Solve for x
x = 362,209,676,121,789,312/495,240,415.05 - Step 6: Final answer
x = 731,381,496.98
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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.