Home / 860,402,879,941.64-1,187,460,092,165.60-489,696,429,839

Finding the Fourth Proportional to 860,402,879,941.64, 1,187,460,092,165.60 and 489,696,429,839

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Solution

The fourth proportional to 860,402,879,941.64, 1,187,460,092,165.60 and 489,696,429,839 is: 675,840,331,623.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,402,879,941.64 : 1,187,460,092,165.60 = 489,696,429,839 : x
  2. Step 2: Convert to fraction form
    860,402,879,941.64/1,187,460,092,165.60 = 489,696,429,839/x
  3. Step 3: Cross multiply
    860,402,879,941.64x = 1,187,460,092,165.60 × 489,696,429,839
  4. Step 4: Simplify right side
    860,402,879,941.64x = 581,494,967,709,784,250,253,312
  5. Step 5: Solve for x
    x = 581,494,967,709,784,250,253,312/860,402,879,941.64
  6. Step 6: Final answer
    x = 675,840,331,623.75

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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.