Finding the Fourth Proportional to 548,803,550.04, 757,349,867.10 and 297,908,115.63
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Solution
The fourth proportional to 548,803,550.04, 757,349,867.10 and 297,908,115.63 is: 411,113,725.05
Step by Step Solution
- Step 1: Write the proportion equation
548,803,550.04 : 757,349,867.10 = 297,908,115.63 : x - Step 2: Convert to fraction form
548,803,550.04/757,349,867.10 = 297,908,115.63/x - Step 3: Cross multiply
548,803,550.04x = 757,349,867.10 × 297,908,115.63 - Step 4: Simplify right side
548,803,550.04x = 225,620,671,780,391,936 - Step 5: Solve for x
x = 225,620,671,780,391,936/548,803,550.04 - Step 6: Final answer
x = 411,113,725.05
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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.