Home / 860,403,014,200.85-1,187,460,277,144.20-489,696,564,017.86

Finding the Fourth Proportional to 860,403,014,200.85, 1,187,460,277,144.20 and 489,696,564,017.86

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Solution

The fourth proportional to 860,403,014,200.85, 1,187,460,277,144.20 and 489,696,564,017.86 is: 675,840,516,627.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,403,014,200.85 : 1,187,460,277,144.20 = 489,696,564,017.86 : x
  2. Step 2: Convert to fraction form
    860,403,014,200.85/1,187,460,277,144.20 = 489,696,564,017.86/x
  3. Step 3: Cross multiply
    860,403,014,200.85x = 1,187,460,277,144.20 × 489,696,564,017.86
  4. Step 4: Simplify right side
    860,403,014,200.85x = 581,495,217,625,210,474,725,376
  5. Step 5: Solve for x
    x = 581,495,217,625,210,474,725,376/860,403,014,200.85
  6. Step 6: Final answer
    x = 675,840,516,627.33

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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.