Finding the Fourth Proportional to 725,855,860,369.92, 1,001,675,991,642.10 and 396,258,898,533.63
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Solution
The fourth proportional to 725,855,860,369.92, 1,001,675,991,642.10 and 396,258,898,533.63 is: 546,834,498,151.46
Step by Step Solution
- Step 1: Write the proportion equation
725,855,860,369.92 : 1,001,675,991,642.10 = 396,258,898,533.63 : x - Step 2: Convert to fraction form
725,855,860,369.92/1,001,675,991,642.10 = 396,258,898,533.63/x - Step 3: Cross multiply
725,855,860,369.92x = 1,001,675,991,642.10 × 396,258,898,533.63 - Step 4: Simplify right side
725,855,860,369.92x = 396,923,025,135,680,090,013,696 - Step 5: Solve for x
x = 396,923,025,135,680,090,013,696/725,855,860,369.92 - Step 6: Final answer
x = 546,834,498,151.46
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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.