Home / 401,136,001.20-601,704,001.80-276,300,510.30

Finding the Fourth Proportional to 401,136,001.20, 601,704,001.80 and 276,300,510.30

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Solution

The fourth proportional to 401,136,001.20, 601,704,001.80 and 276,300,510.30 is: 414,450,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,136,001.20 : 601,704,001.80 = 276,300,510.30 : x
  2. Step 2: Convert to fraction form
    401,136,001.20/601,704,001.80 = 276,300,510.30/x
  3. Step 3: Cross multiply
    401,136,001.20x = 601,704,001.80 × 276,300,510.30
  4. Step 4: Simplify right side
    401,136,001.20x = 166,251,122,746,892,128
  5. Step 5: Solve for x
    x = 166,251,122,746,892,128/401,136,001.20
  6. Step 6: Final answer
    x = 414,450,765.45

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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.