Finding the Fourth Proportional to 979,935,404.40, 1,352,310,242.04 and 539,902,252.08
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Solution
The fourth proportional to 979,935,404.40, 1,352,310,242.04 and 539,902,252.08 is: 745,064,768.46
Step by Step Solution
- Step 1: Write the proportion equation
979,935,404.40 : 1,352,310,242.04 = 539,902,252.08 : x - Step 2: Convert to fraction form
979,935,404.40/1,352,310,242.04 = 539,902,252.08/x - Step 3: Cross multiply
979,935,404.40x = 1,352,310,242.04 × 539,902,252.08 - Step 4: Simplify right side
979,935,404.40x = 730,115,345,188,245,888 - Step 5: Solve for x
x = 730,115,345,188,245,888/979,935,404.40 - Step 6: Final answer
x = 745,064,768.46
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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.