Home / 427,549,787.41-590,043,019.30-239,376,435.01

Finding the Fourth Proportional to 427,549,787.41, 590,043,019.30 and 239,376,435.01

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Solution

The fourth proportional to 427,549,787.41, 590,043,019.30 and 239,376,435.01 is: 330,353,092.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,549,787.41 : 590,043,019.30 = 239,376,435.01 : x
  2. Step 2: Convert to fraction form
    427,549,787.41/590,043,019.30 = 239,376,435.01/x
  3. Step 3: Cross multiply
    427,549,787.41x = 590,043,019.30 × 239,376,435.01
  4. Step 4: Simplify right side
    427,549,787.41x = 141,242,394,462,570,608
  5. Step 5: Solve for x
    x = 141,242,394,462,570,608/427,549,787.41
  6. Step 6: Final answer
    x = 330,353,092.49

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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.