Home / 2,177,567,581,140.40-3,005,027,974,969-1,188,776,695,631.60

Finding the Fourth Proportional to 2,177,567,581,140.40, 3,005,027,974,969 and 1,188,776,695,631.60

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Solution

The fourth proportional to 2,177,567,581,140.40, 3,005,027,974,969 and 1,188,776,695,631.60 is: 1,640,503,494,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,567,581,140.40 : 3,005,027,974,969 = 1,188,776,695,631.60 : x
  2. Step 2: Convert to fraction form
    2,177,567,581,140.40/3,005,027,974,969 = 1,188,776,695,631.60/x
  3. Step 3: Cross multiply
    2,177,567,581,140.40x = 3,005,027,974,969 × 1,188,776,695,631.60
  4. Step 4: Simplify right side
    2,177,567,581,140.40x = 3,572,307,226,364,166,440,747,008
  5. Step 5: Solve for x
    x = 3,572,307,226,364,166,440,747,008/2,177,567,581,140.40
  6. Step 6: Final answer
    x = 1,640,503,494,496.98

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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.