Home / 21,136,046,440.80-31,704,069,661.20-6,414,044,239.20

Finding the Fourth Proportional to 21,136,046,440.80, 31,704,069,661.20 and 6,414,044,239.20

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Solution

The fourth proportional to 21,136,046,440.80, 31,704,069,661.20 and 6,414,044,239.20 is: 9,621,066,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,136,046,440.80 : 31,704,069,661.20 = 6,414,044,239.20 : x
  2. Step 2: Convert to fraction form
    21,136,046,440.80/31,704,069,661.20 = 6,414,044,239.20/x
  3. Step 3: Cross multiply
    21,136,046,440.80x = 31,704,069,661.20 × 6,414,044,239.20
  4. Step 4: Simplify right side
    21,136,046,440.80x = 203,351,305,369,615,368,192
  5. Step 5: Solve for x
    x = 203,351,305,369,615,368,192/21,136,046,440.80
  6. Step 6: Final answer
    x = 9,621,066,358.80

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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.