Home / 1,257,001,331,238.60-1,885,501,996,857.90-860,282,750,502.60

Finding the Fourth Proportional to 1,257,001,331,238.60, 1,885,501,996,857.90 and 860,282,750,502.60

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Solution

The fourth proportional to 1,257,001,331,238.60, 1,885,501,996,857.90 and 860,282,750,502.60 is: 1,290,424,125,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,001,331,238.60 : 1,885,501,996,857.90 = 860,282,750,502.60 : x
  2. Step 2: Convert to fraction form
    1,257,001,331,238.60/1,885,501,996,857.90 = 860,282,750,502.60/x
  3. Step 3: Cross multiply
    1,257,001,331,238.60x = 1,885,501,996,857.90 × 860,282,750,502.60
  4. Step 4: Simplify right side
    1,257,001,331,238.60x = 1,622,064,843,935,058,732,515,328
  5. Step 5: Solve for x
    x = 1,622,064,843,935,058,732,515,328/1,257,001,331,238.60
  6. Step 6: Final answer
    x = 1,290,424,125,753.90

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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.