Home / 420,843,834,216.48-631,265,739,125.28-194,136,210,764.64

Finding the Fourth Proportional to 420,843,834,216.48, 631,265,739,125.28 and 194,136,210,764.64

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Solution

The fourth proportional to 420,843,834,216.48, 631,265,739,125.28 and 194,136,210,764.64 is: 291,204,310,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,843,834,216.48 : 631,265,739,125.28 = 194,136,210,764.64 : x
  2. Step 2: Convert to fraction form
    420,843,834,216.48/631,265,739,125.28 = 194,136,210,764.64/x
  3. Step 3: Cross multiply
    420,843,834,216.48x = 631,265,739,125.28 × 194,136,210,764.64
  4. Step 4: Simplify right side
    420,843,834,216.48x = 122,551,538,579,321,619,742,720
  5. Step 5: Solve for x
    x = 122,551,538,579,321,619,742,720/420,843,834,216.48
  6. Step 6: Final answer
    x = 291,204,310,519.33

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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.