Home / 427,549,786.41-590,043,017.92-239,376,434.01

Finding the Fourth Proportional to 427,549,786.41, 590,043,017.92 and 239,376,434.01

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Solution

The fourth proportional to 427,549,786.41, 590,043,017.92 and 239,376,434.01 is: 330,353,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,549,786.41 : 590,043,017.92 = 239,376,434.01 : x
  2. Step 2: Convert to fraction form
    427,549,786.41/590,043,017.92 = 239,376,434.01/x
  3. Step 3: Cross multiply
    427,549,786.41x = 590,043,017.92 × 239,376,434.01
  4. Step 4: Simplify right side
    427,549,786.41x = 141,242,393,538,898,272
  5. Step 5: Solve for x
    x = 141,242,393,538,898,272/427,549,786.41
  6. Step 6: Final answer
    x = 330,353,091.10

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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.