Home / 1,257,001,331,256.90-1,885,501,996,885.20-860,282,750,520.85

Finding the Fourth Proportional to 1,257,001,331,256.90, 1,885,501,996,885.20 and 860,282,750,520.85

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Solution

The fourth proportional to 1,257,001,331,256.90, 1,885,501,996,885.20 and 860,282,750,520.85 is: 1,290,424,125,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,001,331,256.90 : 1,885,501,996,885.20 = 860,282,750,520.85 : x
  2. Step 2: Convert to fraction form
    1,257,001,331,256.90/1,885,501,996,885.20 = 860,282,750,520.85/x
  3. Step 3: Cross multiply
    1,257,001,331,256.90x = 1,885,501,996,885.20 × 860,282,750,520.85
  4. Step 4: Simplify right side
    1,257,001,331,256.90x = 1,622,064,843,992,954,891,665,408
  5. Step 5: Solve for x
    x = 1,622,064,843,992,954,891,665,408/1,257,001,331,256.90
  6. Step 6: Final answer
    x = 1,290,424,125,781.17

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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.