Home / 860,402,879,945.64-1,187,460,092,171.20-489,696,429,843

Finding the Fourth Proportional to 860,402,879,945.64, 1,187,460,092,171.20 and 489,696,429,843

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Solution

The fourth proportional to 860,402,879,945.64, 1,187,460,092,171.20 and 489,696,429,843 is: 675,840,331,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,402,879,945.64 : 1,187,460,092,171.20 = 489,696,429,843 : x
  2. Step 2: Convert to fraction form
    860,402,879,945.64/1,187,460,092,171.20 = 489,696,429,843/x
  3. Step 3: Cross multiply
    860,402,879,945.64x = 1,187,460,092,171.20 × 489,696,429,843
  4. Step 4: Simplify right side
    860,402,879,945.64x = 581,494,967,717,276,350,939,136
  5. Step 5: Solve for x
    x = 581,494,967,717,276,350,939,136/860,402,879,945.64
  6. Step 6: Final answer
    x = 675,840,331,629.31

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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.