Home / 19,309,064,162.40-28,963,596,243.60-16,691,823,525.60

Finding the Fourth Proportional to 19,309,064,162.40, 28,963,596,243.60 and 16,691,823,525.60

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Solution

The fourth proportional to 19,309,064,162.40, 28,963,596,243.60 and 16,691,823,525.60 is: 25,037,735,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309,064,162.40 : 28,963,596,243.60 = 16,691,823,525.60 : x
  2. Step 2: Convert to fraction form
    19,309,064,162.40/28,963,596,243.60 = 16,691,823,525.60/x
  3. Step 3: Cross multiply
    19,309,064,162.40x = 28,963,596,243.60 × 16,691,823,525.60
  4. Step 4: Simplify right side
    19,309,064,162.40x = 483,455,237,164,902,252,544
  5. Step 5: Solve for x
    x = 483,455,237,164,902,252,544/19,309,064,162.40
  6. Step 6: Final answer
    x = 25,037,735,288.40

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Double scale
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1.5x scale

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.