Home / 782,281,159,243.65-1,173,421,738,865.50-760,241,238,091.65

Finding the Fourth Proportional to 782,281,159,243.65, 1,173,421,738,865.50 and 760,241,238,091.65

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Solution

The fourth proportional to 782,281,159,243.65, 1,173,421,738,865.50 and 760,241,238,091.65 is: 1,140,361,857,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,281,159,243.65 : 1,173,421,738,865.50 = 760,241,238,091.65 : x
  2. Step 2: Convert to fraction form
    782,281,159,243.65/1,173,421,738,865.50 = 760,241,238,091.65/x
  3. Step 3: Cross multiply
    782,281,159,243.65x = 1,173,421,738,865.50 × 760,241,238,091.65
  4. Step 4: Simplify right side
    782,281,159,243.65x = 892,083,595,558,764,570,214,400
  5. Step 5: Solve for x
    x = 892,083,595,558,764,570,214,400/782,281,159,243.65
  6. Step 6: Final answer
    x = 1,140,361,857,137.50

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Double scale
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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.