Finding the Fourth Proportional to 901,969,698, 1,244,697,013.08 and 530,715,775.44
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Solution
The fourth proportional to 901,969,698, 1,244,697,013.08 and 530,715,775.44 is: 732,375,313.66
Step by Step Solution
- Step 1: Write the proportion equation
901,969,698 : 1,244,697,013.08 = 530,715,775.44 : x - Step 2: Convert to fraction form
901,969,698/1,244,697,013.08 = 530,715,775.44/x - Step 3: Cross multiply
901,969,698x = 1,244,697,013.08 × 530,715,775.44 - Step 4: Simplify right side
901,969,698x = 660,580,340,484,604,032 - Step 5: Solve for x
x = 660,580,340,484,604,032/901,969,698 - Step 6: Final answer
x = 732,375,313.66
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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.