Home / 860,403,014,199.10-1,187,460,277,141.80-489,696,564,016.12

Finding the Fourth Proportional to 860,403,014,199.10, 1,187,460,277,141.80 and 489,696,564,016.12

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Solution

The fourth proportional to 860,403,014,199.10, 1,187,460,277,141.80 and 489,696,564,016.12 is: 675,840,516,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,403,014,199.10 : 1,187,460,277,141.80 = 489,696,564,016.12 : x
  2. Step 2: Convert to fraction form
    860,403,014,199.10/1,187,460,277,141.80 = 489,696,564,016.12/x
  3. Step 3: Cross multiply
    860,403,014,199.10x = 1,187,460,277,141.80 × 489,696,564,016.12
  4. Step 4: Simplify right side
    860,403,014,199.10x = 581,495,217,621,969,049,485,312
  5. Step 5: Solve for x
    x = 581,495,217,621,969,049,485,312/860,403,014,199.10
  6. Step 6: Final answer
    x = 675,840,516,624.93

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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.