Home / 860,403,014,315.46-1,187,460,277,302.30-489,696,564,132.54

Finding the Fourth Proportional to 860,403,014,315.46, 1,187,460,277,302.30 and 489,696,564,132.54

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Solution

The fourth proportional to 860,403,014,315.46, 1,187,460,277,302.30 and 489,696,564,132.54 is: 675,840,516,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,403,014,315.46 : 1,187,460,277,302.30 = 489,696,564,132.54 : x
  2. Step 2: Convert to fraction form
    860,403,014,315.46/1,187,460,277,302.30 = 489,696,564,132.54/x
  3. Step 3: Cross multiply
    860,403,014,315.46x = 1,187,460,277,302.30 × 489,696,564,132.54
  4. Step 4: Simplify right side
    860,403,014,315.46x = 581,495,217,838,809,466,011,648
  5. Step 5: Solve for x
    x = 581,495,217,838,809,466,011,648/860,403,014,315.46
  6. Step 6: Final answer
    x = 675,840,516,785.56

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Double scale
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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.