Home / 31,872,468,720.99-43,968,120,353.78-19,003,032,349.32

Finding the Fourth Proportional to 31,872,468,720.99, 43,968,120,353.78 and 19,003,032,349.32

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Solution

The fourth proportional to 31,872,468,720.99, 43,968,120,353.78 and 19,003,032,349.32 is: 26,214,712,789.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872,468,720.99 : 43,968,120,353.78 = 19,003,032,349.32 : x
  2. Step 2: Convert to fraction form
    31,872,468,720.99/43,968,120,353.78 = 19,003,032,349.32/x
  3. Step 3: Cross multiply
    31,872,468,720.99x = 43,968,120,353.78 × 19,003,032,349.32
  4. Step 4: Simplify right side
    31,872,468,720.99x = 835,527,613,421,581,500,416
  5. Step 5: Solve for x
    x = 835,527,613,421,581,500,416/31,872,468,720.99
  6. Step 6: Final answer
    x = 26,214,712,789.77

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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.