Home / 1,243,424,973.06-1,715,307,000.12-741,279,928.86

Finding the Fourth Proportional to 1,243,424,973.06, 1,715,307,000.12 and 741,279,928.86

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Solution

The fourth proportional to 1,243,424,973.06, 1,715,307,000.12 and 741,279,928.86 is: 1,022,597,003.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,424,973.06 : 1,715,307,000.12 = 741,279,928.86 : x
  2. Step 2: Convert to fraction form
    1,243,424,973.06/1,715,307,000.12 = 741,279,928.86/x
  3. Step 3: Cross multiply
    1,243,424,973.06x = 1,715,307,000.12 × 741,279,928.86
  4. Step 4: Simplify right side
    1,243,424,973.06x = 1,271,522,651,022,013,440
  5. Step 5: Solve for x
    x = 1,271,522,651,022,013,440/1,243,424,973.06
  6. Step 6: Final answer
    x = 1,022,597,003.09

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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.