Home / 30,493,462,231.48-42,082,243,009.52-16,945,048,801.72

Finding the Fourth Proportional to 30,493,462,231.48, 42,082,243,009.52 and 16,945,048,801.72

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Solution

The fourth proportional to 30,493,462,231.48, 42,082,243,009.52 and 16,945,048,801.72 is: 23,384,870,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,493,462,231.48 : 42,082,243,009.52 = 16,945,048,801.72 : x
  2. Step 2: Convert to fraction form
    30,493,462,231.48/42,082,243,009.52 = 16,945,048,801.72/x
  3. Step 3: Cross multiply
    30,493,462,231.48x = 42,082,243,009.52 × 16,945,048,801.72
  4. Step 4: Simplify right side
    30,493,462,231.48x = 713,085,661,482,156,687,360
  5. Step 5: Solve for x
    x = 713,085,661,482,156,687,360/30,493,462,231.48
  6. Step 6: Final answer
    x = 23,384,870,372.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.