Home / 1,309,848,008.40-1,964,772,012.60-1,202,709,502.80

Finding the Fourth Proportional to 1,309,848,008.40, 1,964,772,012.60 and 1,202,709,502.80

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Solution

The fourth proportional to 1,309,848,008.40, 1,964,772,012.60 and 1,202,709,502.80 is: 1,804,064,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,848,008.40 : 1,964,772,012.60 = 1,202,709,502.80 : x
  2. Step 2: Convert to fraction form
    1,309,848,008.40/1,964,772,012.60 = 1,202,709,502.80/x
  3. Step 3: Cross multiply
    1,309,848,008.40x = 1,964,772,012.60 × 1,202,709,502.80
  4. Step 4: Simplify right side
    1,309,848,008.40x = 2,363,049,970,389,500,928
  5. Step 5: Solve for x
    x = 2,363,049,970,389,500,928/1,309,848,008.40
  6. Step 6: Final answer
    x = 1,804,064,254.20

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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.