Home / 860,312,155,498.73-1,289,832,046,371.10-520,275,737,647.53

Finding the Fourth Proportional to 860,312,155,498.73, 1,289,832,046,371.10 and 520,275,737,647.53

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Solution

The fourth proportional to 860,312,155,498.73, 1,289,832,046,371.10 and 520,275,737,647.53 is: 780,028,871,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,312,155,498.73 : 1,289,832,046,371.10 = 520,275,737,647.53 : x
  2. Step 2: Convert to fraction form
    860,312,155,498.73/1,289,832,046,371.10 = 520,275,737,647.53/x
  3. Step 3: Cross multiply
    860,312,155,498.73x = 1,289,832,046,371.10 × 520,275,737,647.53
  4. Step 4: Simplify right side
    860,312,155,498.73x = 671,068,319,367,147,238,195,200
  5. Step 5: Solve for x
    x = 671,068,319,367,147,238,195,200/860,312,155,498.73
  6. Step 6: Final answer
    x = 780,028,871,006.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.