Finding the Fourth Proportional to 860,663,440,859.50, 1,187,715,999,267.90 and 470,035,352,311.48
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Solution
The fourth proportional to 860,663,440,859.50, 1,187,715,999,267.90 and 470,035,352,311.48 is: 648,649,032,430.56
Step by Step Solution
- Step 1: Write the proportion equation
860,663,440,859.50 : 1,187,715,999,267.90 = 470,035,352,311.48 : x - Step 2: Convert to fraction form
860,663,440,859.50/1,187,715,999,267.90 = 470,035,352,311.48/x - Step 3: Cross multiply
860,663,440,859.50x = 1,187,715,999,267.90 × 470,035,352,311.48 - Step 4: Simplify right side
860,663,440,859.50x = 558,268,508,161,868,805,701,632 - Step 5: Solve for x
x = 558,268,508,161,868,805,701,632/860,663,440,859.50 - Step 6: Final answer
x = 648,649,032,430.56
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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.